- Vito Scotti - Peddler
- Claude Akins - Steve Brand
- Lee Marvin - Steel Kelly
- Irene Dailey - Miss Frank
- Keenan Wynn - Gregory West
- Pat Crowley - Jackie Benson
- Virginia Christine - Ethel Bedeker
- Mariette Hartley - Sandra Horn
- Jeanne Cooper - Miss Smith
- Ron Masak - Harmonica Man
- Jean Marsh - Alicia
- Everett Sloane - Franklin Gibbs
- Shepperd Strudwick - Peter Selden
- Eleanor Audley - Mrs. Whitney
- Henry Corden - Sanchez
- Robert Sorrells - Casey
- Roddy McDowall - Sam Conrad
- Howard Morris - George P. Hanley
- Jack Perkins - Ground Crewman
- Patrick Macnee - First Officer McLeod
- Sherry Jackson - Comfort Gatewood
- Dewey Martin - Corey
- Constance Ford - Barbara Polk
- Hayden Rorke - Sykes
- Vera Miles - Millicent Barnes
- Buddy Ebsen - Jimbo Cobb
- Joyce Van Patten - Eileen Ransome
- Penny Singleton - Mrs. Flemington
- Agnes Moorehead - Woman
- Mickey Rooney - Michael Grady
- Dennis Hopper - Peter Vollmer
- Nan Martin - Laura Ford
- Ruta Lee - Flora Gordon
- Peter Falk - Ramos Clementine
- Don Rickles - Bettor
- Thalmus Rasulala - Technician
- Ivan Dixon - Reverend Anderson
- William Demarest - Joe Britt
- Roy Roberts - Mr. Cooper
- George Takei - Arthur Takamori / Taro
- Peter Mark Richman - Robert Franklin
- Celia Lovsky - Viola Draper
- Diana Hyland - Anne Henderson / Rider in Black
- Barry Nelson - Bob Frazier
- Shelley Fabares - Ellen Tillman
- Suzy Parker - Lana Cuberle / Grace / Eva / Doe / Jane / #12
- Robert Cummings - James Embry
- Bob Crane - Disc Jockey (uncredited)
- Dennis Weaver - Adam Grant
- John Carradine - Brother Jerome
- Shelley Berman - Archibald Beechcroft
- John Astin - Charlie
- Margarita Cordova - Girl on TV
- Brian Aherne - Booth Templeton
- Jean Carson - Paula Diedrich
- Michael Pataki - Jeep Driver (uncredited)
- Betty Harford - Clerk
- Elizabeth Montgomery - Woman
- Barry Morse - Fitzgerald Fortune
- Frank Sutton - Frank
- Lloyd Bochner - Michael Chambers
- Theodore Bikel - Oliver Crangle
- Nancy Kulp - Agnes Gann
- Kevin McCarthy - Walter Jameson / Tom Bowen / Hugh Skelton
- Larry Blyden - Rocky Valentine
- Martin Balsam - Danny Weiss
- Harold Gould - General Larrabee
- Liam Sullivan - Headmaster
- Joe Maross - Jerry Riden
- Estelle Winwood - Laurette Bowen
- Don Dubbins - Peter Kirby
- Phyllis Kirk - Victoria West
- Joanne Linville - Lavinia Godwin
- Earl Holliman - Mike Ferris
- Robert Keith - Jason Foster
- David Wayne - Walter Bedeker
- Wally Cox - James Elwood
- Walter Burke - Joe Mizell
- Murray Hamilton - Mr. Death
- Richard Conte - Edward Hall
- John van Dreelen - Commissar Vassiloff
- Ted Knight - Adams
- Lois Nettleton - Norma
- James Daly - Gart Williams
- Mitzi McCall - Waitress
- Barry Atwater - Les Goodman
- Alexander Scourby - George Harper
- Elizabeth Allen - Saleswoman
- Nehemiah Persoff - Carl Lanser
- Maxine Cooper - Amy
- Harry Bartell - Langford
- Sebastian Cabot - Mr. Pip
- William Schallert - Policeman
- Julie Newmar - Miss Devlin
- Michael Constantine - Charlie Koch
- Martin Milner - Paul Grinstead
- James Doohan - Father
- Wilfrid Hyde-White - Toby McKenzie
- Ann Jillian - Ilse
- Curt Conway - Adolf Hitler
- Susan Harrison - Ballerina
- Steve Forrest - Robert Gaines
- Larry Gates - Bill Stockton
- Marge Redmond - Secretary
- Telly Savalas - Erich Streator
- Gary Crosby - Floyd Burney
- Richard Deacon - Wallace V. Whipple
- Robert Lansing - Douglas Stansfield
- Robert Bray - Captain Dennet
- Doris Singleton - Secretary
- Nick Cravat - Gremlin (uncredited)
- Neville Brand - Fenton
- Hazel Court - Charlotte Scott
- Luther Adler - Arthur Castle
- Ann Blyth - Pamela Morris / Constance Taylor
- James Coburn - Major French
- Marsha Hunt - Mrs. Henderson
- Nancy Malone - Millie Frazier
- Denver Pyle - Stu Tillman
- Paul Lambert - Doctor
- Alice Pearce - Mrs. Nielson
- Bernie Hamilton - Coley
- H.M. Wynant - David Ellington
- Art Carney - Henry Corwin
- Edward Platt - Doctor
- Donald Pleasence - Ellis Fowler
- Sydney Pollack - Arthur Willis
- Fred Clark - Chester Dietrich
- Gary Merrill - Joseph Paradine
- Dean Stockwell - Lieutenant Katell / Lieutenant Yamuri
- R. G. Armstrong - Contractor
- Charles Bronson - Man
- Terence de Marney - Gambler
- Jonathan Winters - James Howard "Fats" Brown
- Richard Kiel - Kanamit
- Phyllis Love - Mrs. Lucas
- Thomas Gomez - Cadwallader
- Howard Smith - Misrell
- Ed Kemmer - Flight Engineer
- Paul Fix - Colbey
- Garry Walberg - Reporter #3
- Dorothy Adams - Mrs. Canfield
- Doug McClure - Pete Grant
- Abraham Sofaer - Dr. Stillman
- James Seay - Sherrif
- John McIntire - Professor Daemon
- Byron Morrow - Martian
- Amzie Strickland - Woman
- Dub Taylor - Peters
- Patrick Whyte - Mr. Sloan
- Gloria Pall - Girl in Bar
- Orson Bean - James B.W. Bevis
- Ross Elliott - Kramer
- Andy Devine - Somerset Frisby
- Beverly Garland - Maggie
- Ray Teal - Mr. Franklin
- Denise Alexander - Jody Sturka
- Harold Innocent - Board Member
- Gig Young - Martin Sloan
- Barbara Nichols - Liz Powell
- Steve Cochran - Fred Renard
- Ferris Taylor - Passenger
- David Opatoshu - Dorn
- Alan Napier - Capt. Protheroe
- Howard Caine - Nick
- Jacqueline Scott - Helen Gaines
- John Williams - William Shakespeare
- David White - Brinkley
- David White - George Rogers
- Patrick O'Neal - Harmon Gordon
- Jeffrey Byron - Jeb Sharewood
- George Macready - Dr. Bixler
- Cedric Hardwicke - Simon Polk
- Joan Blondell - Phyllis Britt
- Richard Erdman - Patrick McNulty
- Walter Reed - Desperate Man
- Jackie Cooper - Jonathan West / Caesar (voice)
- Frank Ferguson - Krueger
- Robert Hogan - Robert Blake
- Bobby Diamond - Private Pip
- Michael Forest - Steve
- Alan Sues - Wilfred Harper, Jr.
- Collin Wilcox Paxton - Marilyn Cuberle
- Dane Clark - Ace Larsen
- Robin Hughes - Howling Man
- John Archer - Bill Padgett
- Meg Wyllie - Sister Florence
- Edy Williams - Chorus Girl (uncredited)
- Jack Carson - Harvey Hunnicut
- Dave Willock - Marty
- Ben Cooper - Dauger
- Leonard Nimoy - Hansen
- Antony Carbone - Cristo
- Robert Redford - Harold Beldon
- Murray Matheson - Clown
- Frank Silvera - Dr. Koslenko
- Susan Cummings - Patty
- Linden Chiles - Hall
- Kenneth Haigh - William Decker
- Paul Langton - Doctor
- Jon Lormer - Minister
- Jon Lormer - Strauss
- Jeff Morrow - Kurt Meyers
- Robert Sterling - Douglas Winter
- Buster Keaton - Woodrow Mulligan
- Jerome Cowan - Jerry Hearndan
- Dan Duryea - Al Denton
- Dan Tobin - E. M. Bagby
- Billy Booth - Short Boy
- Rusty Wescoatt - Tall Man
- John Zaremba - Horn Player
- Janice Rule - Helen Foley
- Rusty Lane - Commissioner
- Susan Oliver - Teenya
- Francis De Sales - Doctor (uncredited)
- Kaaren Verne - Innkeeper
- James Franciscus - Lt. Mueller
- Ted Otis - Pierson
- Joseph Bernard - Marty Weiss
- Bill Mullikin - Parking Attendant
- Malcolm Atterbury - Henry J. Fate
- Malcolm Atterbury - Prof. Eliot
- George Petrie - Driver
- Nico Minardos - Doctor
- Ed Wynn - Sam Forstmann
- Ed Wynn - Lou Bookman
- Charles Lane - Mr. Peckinpaugh
- Milton Frome - Detective
- Ruth White - Mrs. Ford
- Fred Beir - Lieutenant Carter
- Frank Wolff - Baron
- Naomi Stevens - Washroom Attendant
- Ed Nelson - Philip Redfield
- Richard Haydn - Bartlett Finchley
- George Lindsey - Deputy Pierce
- Patricia Smith - Sylvia Bayles
- Frank Aletter - William Connacher
- Mark Miller - Roger Hackett
- Margaret Field - Emma Senescu
- Ralph Moody - Pa Myrtlebank
- Irene Tedrow - Mrs. Loren
- Irene Tedrow - Mrs. Sloan
- Tod Andrews - Gil Sharewood
- Betty Lou Gerson - Cici
- Ian Wolfe - Schwimmer
- Sterling Holloway - TV Repairman
- Herbie Faye - Joe Palucci
- Ralph Taeger - Walter Holmes
- John Craven - Man
- Philip Ober - Mr. Henderson
- Connie Gilchrist - Mrs Feeny
- Irene Hervey - Martha Tillman
- Clancy Cooper - Trucker
- Carol Burnett - Agnes Grep
- John Crawford - Joe
- John Eldredge - Whittaker
- Joseph Sargent - Ticket Clerk (uncredited)
- Douglas Spencer - 1st Martian
- Pippa Scott - Laura Templeton
- George Murdock - Willie
- Moyna MacGill - Mrs. Williams
- Robert Warwick - Alexander 'Leadbottom' Mackaye
- Jeanette Nolan - Granny Hart
- James Gregory - Air Force General
- James Gregory - Confederate Sergeant
- John A. Alonzo - Luís Gallegos
- Joe Flynn - Steve
- Patricia Donahue - Janie Williams
- Philip Abbott - Chris Bayles
- Philip Abbott - Stanley Eaton
- William Benedict - Conklin
- Sheldon Allman - Alien
- Jim Hutton - Major William Gart
- Henry Jones - J. Hardy Hempstead
- Douglass Dumbrille - Mr. Halpert
- George E. Stone - Fenwick (uncredited)
- Pat Hingle - Horace Maxwell Ford
- Robert F. Simon - Harvey
- Edgar Buchanan - Doc Bolton
- Barbara Baxley - Cora Wheeler
- Peggy Stewart - Grace Stockton
- Hardie Albright - Secretary General
- Mary Badham - Sport Sharewood
- Stafford Repp - Mechanic
- Stafford Repp - Pawnbroker
- Dick Wessel - Charlie
- Terry Becker - Jagger
- Roger Davis - David Mitchell
- Willis Bouchey - Samuel Thorne
- Dean Jagger - Ed Lindsay
- Vic Perrin - Jim - Trooper
- Vic Perrin - Martian
- Jean Willes - Ethel McConnell
- Val Avery - Bartender
- Evans Evans - Mary Lou
- Barbara Stuart - Edith
- James Westerfield - Anthony O'Toole
- Geoffrey Horne - Williams - the Alien
- Dale Ishimoto - Sergeant Yamazaki
- Paul Tripp - Man #2
- James Best - Billy-Ben Turner
- James Best - Jeff Myrtlebank
- Alice Frost - Sally
- Paul Newlan - Chief Engineer Hanley
- Betty Garde - Passenger
- Betty Garde - Mrs. Bronson
- William Reynolds - Lt. Fitzgerald
- Natalie Trundy - Ellen Marshall
- Leonard Strong - The Hitch-Hiker
- Burt Metcalfe - Don Martin
- Horace McMahon - Bartender
- Will J. White - Guard
- Dana Andrews - Paul Driscoll
- Claudia Bryar - Frau Nielsen
- Doro Merande - Sadie
- Maggie McNamara - Barbara Blake
- Sam Balter - TV Announcer
- Elizabeth Harrower - Woman (uncredited)
- Brooke Hayward - Paula Harper
- Robert Emhardt - Professor Ackerman
- Jack Elam - Avery
- Earle Hodgins - Agee
- Eddie Ryder - Joseph J. Callahan
- Cliff Osmond - Manolo
- Bill Erwin - Peter Kramer
- Bill Erwin - Wilcox (uncredited)
- Bill Erwin - Man
- William Keene - Doctor
- William Keene - Desk Clerk (uncredited)
- Ralph Votrian - Hanachek
- Doris Packer - Aunt Nedra
- Susan Gordon - Jenny
- Howard McNear - Bramhoff
- Howard McNear - Mitchell
- Dabbs Greer - Scanlan
- Dabbs Greer - Evans
- Rod Taylor - Clegg Forbes
- Lew Gallo - Mechanic
- Wendell Holmes - Cooper
- Claire Griswold - The Doll
- Pat O'Malley - Mr. Llewellyn
- Pat O'Malley - Attendant
- Pat O'Malley - Mr. Wilson
- House Peters Jr. - Policeman
- Russell Collins - Ben Conroy
- Hank Patterson - Mr. Gentry
- Hank Patterson - Old Man
- Hank Patterson - Freitag
- Tudor Owen - Captain of Lusitania
- John Hoyt - Ross
- John Hoyt - Dr. Loren
- Ludwig Donath - Ernst Ganz
- William Mims - Dave
- Helen Kleeb - Mattie Glover
- Judy Strangis - Cora
- Bernard Fein - Heckler
- Bernard Fein - Penell
- Forrest Compton - ASW Officer
- Phil Arnold - Man
- Jack Albertson - Genie
- Jack Albertson - Jerry Harlowe
- Henry Beckman - Policeman
- Patricia Breslin - Abigail Sloan
- Patricia Breslin - Pat Carter
- Allan Lurie - Subway Guard
- Paul Mazursky - Frank
- Paul Mazursky - Orderly
- William Phipps - Sergeant
- Carmen Mathews - Vinnie
- Laura Devon - Ellwyn Glover
- Walter Brooke - Chad Cooper
- Walter Brooke - Dr. Raymond Gordon
- Burt Reynolds - Rocky Rhodes
- Marc Cavell - Freeman
- Stanley Adams - Jensen
- Stanley Adams - Rollo
- Fritz Weaver - William Sturka
- Fritz Weaver - Chancellor
- Cloris Leachman - Mrs. Fremont
- Charles Aidman - Ed Harrington
- Charles Aidman - Bill
- Max Showalter - Pat Riley
- Jeanne Bates - Ethel Hollis
- Lenore Kingston - Thelma Dunn
- Thomas Hatcher - Bill Soames
- Burgess Meredith - Mr. Smith
- Burgess Meredith - Henry Bemis
- Burgess Meredith - Luther Dingle
- Burgess Meredith - Romney Wordsworth
- Franchot Tone - Col. Archie Taylor
- Ben Wright - Chips
- Ben Wright - Doctor
- Ben Wright - Captain Wilbur
- Pert Kelton - Mrs. Parkes
- Howard Duff - Arthur Curtis / Gerry Reagan
- Cecil Kellaway - Burgess
- Cecil Kellaway - Jeremy Wickwire
- Eileen Ryan - Nora Reagan
- Clem Bevans - Pete
- Dana Dillaway - Maggie Polanski
- Edward Andrews - Oliver Pope
- Edward Andrews - Carling
- Ken Lynch - Charlie
- Cliff Robertson - Christian Horn
- Cliff Robertson - Jerry Etherson
- Ida Lupino - Barbara Jean Trenton
- Peter Brocco - Mr. Marshak
- Peter Brocco - Alien (uncredited)
- Joseph Schildkraut - John Holt
- Joseph Schildkraut - Alfred Becker
- Jacqueline deWit - Helen Bemis
- Oscar Beregi Jr. - Gunther Lutze
- Oscar Beregi Jr. - Farwell
- Lela Bliss - Mrs. Chester
- Suzanne Lloyd - Maya / Miss Thomas
- Read Morgan - Lefty
- Lori March - Eve Sturka
- Leslie Barrett - Brandt
- William Kendis - Hansen
- Morgan Brittany - Little Girl
- Morgan Brittany - Susan
- Ross Martin - Lieutenant Mason
- Ross Martin - Johnny Foster
- Arthur Peterson - Sheriff
- Simon Scott - Maj. Wilson
- Harry Raybould - Corporal
- Jason Johnson - Man
- Jason Johnson - Jensen
- Jerry Catron - Guard
- Michael Vandever - Smitty
- Joseph Hamilton - Ticket Agent
- Therese Lyon - Old Woman
- Edwin Rand - Bus Driver
- Jan Handzlik - Tommy
- John Dehner - Captain Allenby
- John Dehner - Jared Garrity
- Anne Barton - Myra Brand
- John Larch - Eliot Rathmann
- John Larch - Mr. Fremont
- John Larch - Sheriff Koch
- Leah Waggner - Mrs. Goodman
- Ben Erway - Pete Van Horn
- Jack Klugman - Captain Ross
- Jack Klugman - Max Phillips
- Jack Klugman - Joey Crown
- Jack Klugman - Jesse Cardiff
- Lyn Guild - Mrs. Farnsworth
- King Calder - Townsman
- King Calder - Sid Sperry
- Frank Maxwell - Marty Fisher
- Peter Walker - Sam
- Bill Idelson - Kelly
- Edgar Stehli - Sam Kittridge
- Vivi Janiss - Edna Castle
- Vivi Janiss - Flora Gibbs
- Dodie Heath - Susanna Kittridge
- Vernon Gray - Martian
- Joseph Ruskin - Genie
- Joseph Ruskin - Kanamit (voice) (uncredited)
- Than Wyenn - Paul Johnson
- Fay Roope - Judge
- June Foray - Talky Tina (voice)
- June Foray - Sport (voice)
- Wesley Lau - Man #1
- Wesley Lau - Airline Agent
- Stephen Perry - Henry Temple
- Kevin Hagen - James Webber
- Kevin Hagen - Pete Radcliff
- Kim Hamilton - Frances Temple
- Simon Oakland - De Cruz
- John Mitchum - Erbie
- John Mitchum - Ace
- Terry Burnham - Markie
- Mavis Neal Palmer - Helen
- Olan Soule - IRS Man
- Olan Soule - Mr. Smiles (uncredited)
- James Maloney - 1888 Conductor
- Patricia Barry - Leila
- Barbara Perry - Blonde Woman
- Michael Fox - 2nd Martian
- Michael Fox - Psychiatrist
- Michael Fox - Doctor
- Edson Stroll - Walter Smith
- Edson Stroll - Young John Holt
- Florence MacMichael - Margaret
- Dorothy Neumann - Landlady
- Colleen O'Sullivan - Michelle
- John Anderson - Gabriel
- John Anderson - Deidrich
- John Anderson - Capt. 'Skipper' Farver
- John Anderson - Goldsmith
- Alan Dexter - Beasley
- Don Kelly - Monk
- Jonathan Hole - Team Doctor
- Bill Mumy - Anthony Fremont
- Bill Mumy - Billy Bayles
- Bill Mumy - Young Pip
- Gene Lyons - Psychiatrist
- Sandra Warner - Noreen
- Sandra Warner - Girl
- Jenna McMahon - Nurse
- Richard Long - Uncle Rick / Dr. Rex / Professor Sigmund Friend / Tom / #17
- Richard Long - David Andrew Gurney
- Lisa Golm - Mrs. Gumley
- Robert Cornthwaite - Director
- Robert Cornthwaite - Hanford
- Friedrich von Ledebur - Brother Christophorus
- William D. Gordon - Doctor
- William D. Gordon - George
- Sandra Gould - Woman
- Maxine Stuart - Bandaged Janet Tyler
- George Keymas - The Leader
- Jay Adler - Gibbons
- Jay Adler - Tramp
- Guy Wilkerson - Counterman
- Dee Carroll - Desperate Woman
- Tom Palmer - Robert
- Valley Keene - Suzanne
- Gladys Cooper - Wanda Dunn
- Gladys Cooper - Elva Keene
- Gladys Cooper - Millie McKenzie
- Paul Comi - Mark Marcusson
- Paul Comi - Psychiatrist
- Larry J. Blake - Freddie
- David Thursby - Eddie
- S. John Launer - Moran (uncredited)
- S. John Launer - PA Announcer
- S. John Launer - Mr. Harrington
- S. John Launer - Lieutenant Colonel
- Marcel Hillaire - Pierre
- Robert P. Lieb - Flaherty
- Kay Cousins Johnson - Irate Mother
- Paul Genge - John Canfield
- Vaughn Taylor - Mr. Carsville
- Vaughn Taylor - Mr. Maitland
- Vaughn Taylor - Teague
- Vaughn Taylor - Mr. Judson
- Andrea Darvi - Estrelita Gallegos
- J. Pat O'Malley - Gooberman
- J. Pat O'Malley - Old Man
- J. Pat O'Malley - Old Ben
- J. Pat O'Malley - Homburg
- Milton Selzer - Alien
- Milton Selzer - Wilfred Harper
- John Conwell - Elevator Man
- John Conwell - Air Force Colonel
- Jim Boles - Obed Miller
- Jim Boles - Dispatcher
- Lenore Shanewise - Mrs. Densley
- Anne O'Neal - Mrs. Wister
- Christine White - Julia Wilson
- Christine White - Kitty Cavanaugh
- Arch Johnson - Jesse James
- Arch Johnson - Roscoe Bragg
- Arch Johnson - Fireman (uncredited)
- Doris Karnes - Gretchen
- Doris Karnes - Woman
- Ron Howard - Wilcox Boy
- Warren Oates - Jeep Driver
- Warren Oates - Richard Langsford
- Byron Foulger - Charlie
- Anne Francis - Marsha White
- Anne Francis - Jess-Belle Stone
- Sheridan Comerate - Gas Station Attendant
- Joseph Corey - Soda Jerk
- Buzz Martin - Teenager
- Ned Glass - Pawnshop Man
- Ned Glass - Fridge Repairman (uncredited)
- Jesse White - Harmon Cavender
- Jesse White - Repair Man
- Leslie Bradley - Major Devereaux
- Kendrick Huxham - Bartender
- Richard Peel - Steward
- Clegg Hoyt - Shopkeeper
- Clegg Hoyt - Bus Driver
- Donald Journeaux - Steward
- Barry Bernard - Engineer
- Joe Bassett - Medical Officer
- John Fiedler - Field Rep #3
- John Fiedler - Mr. Dundee
- Lisabeth Field - Nurse
- Logan Field - Investigator
- Harry Townes - Henry Ritchie
- Harry Townes - Arch Hammer
- Oliver McGowan - Officer
- William Edmonson - Bartender
- Martin Landau - Dan Hotaling
- Martin Landau - Major Ivan Kuchenko
- Fred Kruger - Man on Street
- Jason Wingreen - Mr. Shuster
- Jason Wingreen - 1960 Conductor
- Jason Wingreen - Director (uncredited)
- William Shatner - Don Carter
- William Shatner - Bob Wilson
- John Marley - Sunnyvale Superintendant Cox
- John Marley - Jason
- Frank Logan - Waiter (uncredited)
- Nesdon Booth - Big Phil Nolan
- Nesdon Booth - Guard
- John Clarke - Young Jerry (uncredited)
- Ted de Corsia - Foreman Dickerson
- Ted de Corsia - Marty Sall
- Carter Mullally Jr. - Air Force Captain
- Sandy Kenyon - Navigator Hatch
- Sandy Kenyon - Frank Henderson
- Sandy Kenyon - Attendant
- Mickey Maga - Ricky (uncredited)
- John Harmon - Georgie
- John Harmon - Clark
- Robert Burton - Doctor
- Tex Holden - Barfly (uncredited)
- Edward Binns - General Walters
- Edward Binns - Bob Donlin
- Jack Perrin - Barfly (uncredited)
- Dick Wilson - Clock Mover
- Dick Wilson - Jack
- Joe Phillips - Barfly (uncredited)
- Barney Phillips - E.L. Gunther
- Barney Phillips - Haley
- Barney Phillips - Diemel
- Barney Phillips - TV Repairman
- Bob Reeves - Barfly (uncredited)
- James Millhollin - Jason Abernathy
- James Millhollin - Mr. Armbruster
- Don Keefer - Spierto
- Don Keefer - Fred Danziger
- Don Keefer - Dan Hollis
- Joe Higgins - Bank Guard
- Philippa Bevans - Mrs. Landers
- Tom Lowell - Artie Beechcroft
- Jay Overholts - Doctor
- Jay Overholts - Taxi Driver
- Jay Overholts - Intern
- Jay Overholts - PA Announcer (voice) (uncredited)
- Jay Overholts - Passenger
- Jay Overholts - Reporter #2
- Jay Overholts - Man #2 (uncredited)
- Sue Randall - Nurse
- Sue Randall - Millie
- George Grizzard - Roger Shackleforth
- George Grizzard - Alan Talbot / Walter Ryder Jr.
- Bonnie Beecher - Mary Rachel
- Frank Overton - Harry Wheeler
- Frank Overton - Robert Sloan
- David Macklin - Bud Powell
- Vladimir Sokoloff - Gallegos
- Vladimir Sokoloff - Father Thomas
- Milton Parsons - Professor Gilbert (uncredited)
- Asa Maynor - Stewardess
- James McCallion - Reporter #1
- Pat Close - Hudson
- Virginia Gregg - Emily Harper
- Virginia Gregg - Ossie Stone
- Kevin O'Neal - Butler
- Russell Horton - Bartlett
- Buddy Joe Hooker - Dickie Weiss
- Jack Weston - Charlie Farnsworth
- Jack Weston - Julius Moomer
- Robert Biheller - Graham
- Jimmy Baird - Boy
- Donna Douglas - Janet Tyler
- Donna Douglas - Debutante
- Laird Stuart - Boy (uncredited)
- Lee Millar - Joe
- June Dayton - Helen Turner
- Ernest Truex - Charles Whitley
- Ernest Truex - Pedott
- James Nolan - Jim
- Anthony Ray - Newsboy
- Frank London - Driver
- Frank London - Maxwell
- Patrick Waltz - Brand
- Dick York - Hector B. Poole
- Dick York - Capt. Phil Riker
- Cyril Delevanti - Marvin
- Cyril Delevanti - Officer
- Cyril Delevanti - Franklin
- Cyril Delevanti - L. J. Smithers
- Phillip Pine - Leonard O'Brien
- Phillip Pine - Virge Sterig
- Albert Salmi - Sergeant Causarano
- Albert Salmi - Joe Caswell
- Albert Salmi - Feathersmith
- Lee Philips - Alan Ransome
- Lee Philips - Jordan 'Jordy' Herrick
- Martine Bartlett - Miss Finch
- Nora Marlowe - Margaret Phillips
- Arlene Martel - Girl in Bar
- Arlene Martel - Nurse in Morgue
- Jonathan Harris - George Alfred
- Jonathan Harris - Doctor
- James Flavin - 1962 Policeman
- James Flavin - Truck Driver
- Mary Adams - Day Nurse
- Fredd Wayne - Barney Kamener
- Fredd Wayne - Paul Malloy
- Adam Williams - Sailor
- Adam Williams - Woodward
- Morgan Jones - Dan Perry
- Morgan Jones - Captain
- Noah Keen - Bengston
- Noah Keen - Mr. Vance
- John McGiver - Shannon
- John McGiver - Roswell G. Flemington
- Bing Russell - Ben Braden
- Bing Russell - George Cousins
- Mary Munday - Hildy Powell
- Bill Hickman - Pilot (uncredited)
- Robert Karnes - Robbins
- Harold J. Stone - Grant Sheckly
- Robert Brubaker - Tower Operator (uncredited)
- Russell Johnson - Prof. Manion
- Russell Johnson - Pete Corrigan
- Angus Duncan - Ticket Clerk
- Norma Connolly - Night Nurse
- Carole Conn - Sax Double
- Don Gordon - Andy Marshak
- Don Gordon - Salvadore Ross
- Inger Stevens - Nan Adams
- Inger Stevens - Jana
- Juney Ellis - Mrs. Shuster
- Juney Ellis - Woman on Street (uncredited)
- Harp McGuire - Flight Engineer Purcell
- Lester Fletcher - RAF Man
- Beverly Brown - Janie
- Russ Bender - Doctor
- Russ Bender - Hank
- Russ Bender - Counterman
- Mary Webster - Ruth
- Mary Webster - Nan
- Mary Gregory - Nelda
- Mary Gregory - Sally
- Mary Gregory - Mrs. Henderson
- Jack Warden - James A. Corry
- Jack Warden - Mouth McGarry
- Gregory Irvin - 2nd Venusian
- Donald Losby - 1st Venusian
- Douglas Evans - Man
- Frank Richards - Man
- Lili Darvas - Grandma Bayles
- Bob Duggan - Photographer (uncredited)
- Bob Duggan - Man #1 (uncredited)
- Reid Hammond - Mr. Peterson
- Henry Hunter - The Doctor
- Lew Brown - The Fireman
- Lillian O'Malley - Miss Meredith
- Diane Strom - Girl in Commercial (uncredited)
- Mary LaRoche - Mary
- Mary LaRoche - Annabelle Streator
- Paul Bryar - Cop (uncredited)
- Paul Bryar - Bartender
- Burt Mustin - Carlson
- Burt Mustin - Old Man
- Jane Burgess - Sheila
- Robert Riordan - Hotel Manager (uncredited)
- Joe Scott - Croupier (uncredited)
- Ken Drake - Man
- Jennifer Bunker - Woman
- Hugh Sanders - Cronk
- Hugh Sanders - Jerry Potter
- Miranda Jones - Martha Horn
- Shirley O'Hara - George's Wife
- John Holland - Club Member
- Everett Glass - Club Member
- Felix Locher - Club Member
- David Ahdar - Club Member (uncredited)
- Eddie Marr - Girlie Barker
- Eddie Marr - Real Estate Pitchman (uncredited)
- John Alban - Club Member (uncredited)
- Stuart Holmes - Club Member (uncredited)
- Ted O'Shea - Club Member (uncredited)
- Wright King - Paul Carson
- Wright King - Hecate
- Chet Stratton - Mr. Rogers
- Jack Grinnage - Henry
- Jeane Wood - Landlady (uncredited)
- Gertrude Flynn - Rose Kramer
- Josip Elic - Subaltern
- Barry Brooks - Board Member
- Nan Peterson - Woman in Park
- Nan Peterson - Secretary (uncredited)
- Richard Karlan - Bartender
- Richard Karlan - D'Alessandro
- Rex Holman - Charlie Constable
- Warren J. Kemmerling - Jud Godwin
- Jamie Farr - Soldier (uncredited)
- Ezelle Poule - Ma Myrtlebank
- Ezelle Poule - Housekeeper
- Austin Green - Abraham Lincoln
- David Garcia - Union Lieutenant
- Robert Haines - Bank Customer
- Max Wagner - Roller Coaster Operator
- Russell Trent - Rifle Range Barker
- Ted Stanhope - Man on Street
- Tom Reese - Intruder
- Robert Stevenson - Radio Announcer (uncredited)
- Mark Tapscott - Lieutenant
- Harry Fleer - Guard
- Harry Fleer - 1962 Policeman #2 (uncredited)
- Jack Mann - Mallory
- Addison Myers - Sentry (uncredited)
- George Mitchell - Dr. Floyd
- George Mitchell - Luther Glover
- George Mitchell - Gas Station Man
- George Mitchell - Old Man
- Chuck Hicks - Mover (uncredited)
- Chuck Hicks - Maynard Flash
- Wallace Rooney - Man
- Wallace Rooney - George
- Kelton Garwood - Tramp
- Gail Kobe - Jessica Connelly
- Gail Kobe - Sally
- Gail Kobe - Leah Maitland
- Carol Hill - Woman
- Joseph V. Perry - Police Lieutenant
- Joseph V. Perry - Man (uncredited)
- Joseph V. Perry - Office Worker (uncredited)
- Arthur Batanides - Tabal
- Arthur Batanides - Leader
- Gil Lamb - Officer Flannagan
- Jerry Fujikawa - Japanese Captain
- Jerry Fujikawa - Japanese Delegate
- Warren Parker - Clothes Store Manager (uncredited)
- Norman Papson - Trumpeter (uncredited)
- Jack Raine - Reynolds (uncredited)
- Jack Raine - Officer
- Marjorie Bennett - Mrs. Chamberlain
- Marjorie Bennett - Old Woman
- Marjorie Bennett - Mrs. Summers
- Lance Fuller - Orgram Gatewood
- Bartlett Robinson - Colonel #1
- Lomax Study - Leveque
- Robert Tafur - Señor Valdes
- Robert Sampson - Chris Miller
- Sarah Marshall - Ruth Miller
- Theo Marcuse - Farraday
- Theo Marcuse - Citizen Gregori
- Wayne Heffley - 2nd Officer Wyatt
- Wayne Heffley - Mover
- Rhoda Williams - Tina Miller (voice) (uncredited)
- Michael Ford - Spaceman
- Michael Keep - Policeman
- Shirley Ballard - Wilma #1
- Julie Van Zandt - Wilma #2
- Larry Breitman - Alien (uncredited)
- Alma Platt - Marie Holt
- Raymond Bailey - Doctor
- Raymond Bailey - Supervisor
- Raymond Bailey - Millard
- David Armstrong - Surgeon
- Robert Boon - Taxi Driver
- David O. McCall - Victim (uncredited)
- Duane Grey - Rogers
- Duane Grey - Bartender
- Sherry Granato - Girl
- Jamie Forster - Hotel Clerk
- Katherine Squire - Old Woman
- Sailor Vincent - Gambler
- Eumenio Blanco - Townsman (uncredited)
- Carmen D'Antonio - Woman (uncredited)
- David Fresco - Man (uncredited)
- Lea Marmer - Woman (uncredited)
- Ralph Manza - Doorkeeper
- Pat O'Hara - Townsman
- Barnaby Hale - Stanley
- Wolfe Barzell - Proprietor
- Bill Zuckert - Detective (uncredited)
- William H. O'Brien - Audience Member (uncredited)
- Tracy Stratford - Christie Streator
- Tracy Stratford - Tina Miller (uncredited)
- Jim Michael - Guard (uncredited)
- Tammy Marihugh - Jeannie
- Sara Taft - Mrs. Nolan
- Charles Thompson - Andy Praskins
- Doris Kemper - Landlady
- Leon Alton - Bartender (uncredited)
- Michael Chain - Paperboy
- Howard Wright - Hardy
- Howard Wright - Judge
- Kenner G. Kemp - Club Member (uncredited)
- Kenner G. Kemp - UN Translator (uncredited)
- Kenner G. Kemp - Rocket Launch Technician
- C. Lindsay Workman - Bartender
- James Yagi - Japanese Police Captain
- George Bruggeman - Club Member (uncredited)
- George Bruggeman - Gambler
- Bobs Watson - Man at Dining Room Table (uncredited)
- Peter Humphreys - Steward on Lusitania (uncredited)
- Shari Lee Bernath - Maggie Gaines
- Fred Crane - News Anchorman (uncredited)
- Christine Burke - Joanna
- Guy Raymond - Gibbons
- Mary Jackson - Miss Pepper (uncredited)
- Mary Carver - Betty O'Brien
- Robert McCord - UN Translator (uncredited)
- Robert McCord - Man Hearing About Garfield (uncredited)
- Robert McCord - Man Watching Audition (uncredited)
- Robert McCord - Man in Subway
- Robert McCord - Man Walking in Lobby
- Robert McCord - Camera Crew Member
- Robert McCord - Delivery Van Driver (uncredited)
- Robert McCord - Stagecoach Driver (uncredited)
- Robert McCord - Townsman (uncredited)
- Robert McCord - Passerby (uncredited)
- Robert McCord - Elevator Operator (uncredited)
- Robert McCord - 1st Fireman (uncredited)
- Robert McCord - Club Member (uncredited)
- Robert McCord - Cop (uncredited)
- Robert McCord - Townsman in Black Hat (uncredited)
- Robert McCord - Bearded Man with Priest
- Robert McCord - Ice-Cream Vendor
- Robert McCord - Diner Patron (uncredited)
- Robert McCord - Sheriff
- Robert McCord - Passenger (uncredited)
- Robert McCord - Electric Chair Guard (uncredited)
- Robert McCord - Customer (uncredited)
- Robert McCord - Waiter
- Robert McCord - Sailor in Ski Cap (uncredited)
- Robert McCord - Student
- Arthur Tovey - Onlooker in Subway
- Arthur Tovey - Victim (uncredited)
- Arthur Tovey - Sidewalk Onlooker (uncredited)
- Bella Bruck - Woman Yelling for Son (uncredited)
- Billy E. Hughes - Kid (uncredited)
- William Lanteau - Dolan
- Bernard Sell - Executive
- Bernard Sell - Croupier
- Bernard Sell - Bar Patron
- Bernard Sell - Café Patron (uncredited)
- Henry Lascoe - Mr. Hugo
- John Bose - Daniel Boone (uncredited)
- Rudy Bowman - Robert E. Lee (uncredited)
- Paul Dubov - Man (uncredited)
- John Newton - TV Interviewer (uncredited)
- William Sargent - Dr. Mel Avery
- William Sargent - Project Manager
- Diane Sayer - TV Actress (uncredited)
- Leslie Sketchley - Abraham Lincoln (uncredited)
- Violet N. Cane - Townswoman (uncredited)
- Ann Cameron - Townswoman (uncredited)
- Frank Watkins - Harber (uncredited)
- Don Wilbanks - Furman (uncredited)
- Gene Coogan - Fire Spectator Restraining Driscoll (uncredited)
- Gene Coogan - Pedestrian
- Gene Coogan - Victim (uncredited)
- Gene Coogan - Townsman (uncredited)
- Helen Westcott - Lillian Pope
- Totty Ames - Muriel Hastings
- John Hanek - Policeman
- Carolyn Kearney - Marnie Kirk
- Carol Byron - Carol Chase
- John Pickard - Policeman
- James T. Callahan - Doug Kirk
- William Swan - Technician
- John Albright - Alien (uncredited)
- John Albright - Barfly
- Douglas Lambert - Albert
- Ted Jacques - Bartender (uncredited)
- Kathleen O'Malley - Nurse (uncredited)
- Seymour Cassel - Jerry (uncredited)
- Pamela Austin - Valerie / Marilyn / #8
- Michael Conrad - Deputy Sheriff Harper
- Gregory Morton - Alien Leader (voice) (uncredited)
- Byron Kane - Assistant (uncredited)
- Scott Seaton - Club Member (uncredited)
- Scott Seaton - Resident (uncredited)
- Jimmie Horan - Victim (uncredited)
- Herbert Lytton - Dr. Saltman
- Ted Christy - The Wild Panther (uncredited)
- Maidie Norman - Maid (uncredited)
- Bill Walker - Jeffrey (uncredited)
- Charles Maxwell - Radio Announcer (voice) (uncredited)
- Ward Wood - Man (uncredited)
- Russell Custer - Townsman (uncredited)
- Douglas Bank - Prosecutor (uncredited)
- Douglas Bank - Man (uncredited)
- Renee Aubry - Ms. Abernathy
- Lurene Tuttle - Secretary (uncredited)
- William Windom - Major
- William Windom - Dr. Wallman
- Chet Brandenburg - Technician
- Chet Brandenburg - Audience Member (uncredited)
- Sarah Selby - Agnes Cudahy
- Don Gazzaniga - Detective
- Kenneth Konopka - Mr. Miller (uncredited)
- Sidney Marion - Watchman (uncredited)
- Karen Norris - Mother (uncredited)
- Norman Leavitt - Sheriff Gilchrist
- Edgar Dearing - First Resurrected Man
- Mitchell Rhein - Neighbor (uncredited)
- Mitchell Rhein - Croupier
- Patrick O'Moore - Man
- John Cliff - Lightning Peterson (uncredited)
- Kate Murtagh - Zelda Gooberman (uncredited)
- Cosmo Sardo - Resurrected Man (uncredited)
- Shawn Michaels - Bartender
- Burt Conroy - Watchman
- Jonathan Bolt - Billy Rayford
- Dee Hartford - Gloria Sharewood
- Kim Hector - Whitt
- Georgia Simmons - Aunt T.
- James Houghton - Jerry
- Helen Wallace - Ma Gatewood
- William Fawcett - Reverend Siddons
- Mabel Forrest - Mrs. Ferguson
- Fred Rapport - Townsman (uncredited)
- Jack Younger - Truck driver
- John McLiam - Cop (uncredited)
- John McLiam - Man
- John McLiam - Guard
- Art Lewis - Drunk
- Steve Carruthers - Casino Worker / Gambler
- Jeffrey Sayre - Croupier
- Will Kuluva - General De Cruz
- Rodolfo Hoyos Jr. - Garcia
- Colin Campbell - Addicott
- Natalie Masters - Woman (uncredited)
- William Challee - Rude Man On Porch (uncredited)
- Norbert Schiller - Committee Member (uncredited)
- Harry Jackson - Trumpeter
- Michael Jeffers - Technician
- Michael Jeffers - Deputy (uncredited)
- Jeanne Evans - Ann Riden
- Herschel Graham - Executive (uncredited)
- Michael Burns - Paul Stockton
- Jo Helton - Martha Harlowe
- Scotty Morrow - Boy
- Raoul Freeman - Pedestrian
- Noble 'Kid' Chissell - Man in Park
- George Baxter - Judge Cummings
- Paul E. Burns - Janitor
- Ron Nyman - Police Officer
- John Pedrini - Man on Street
- Jeanne Baker - Woman on Bench
- Dick Cherney - Man in Bar
- Pat Comiskey - Man in Bar
- Bob Hopkins - Man in Bar
- Eve McVeagh - Ella Koch
- Eve McVeagh - Nurse (uncredited)
- Marco López - Hotel Guest
- Tony Rosa - Man on Bench
- Percy Helton - Tom Poulter
- Percy Helton - Lapham
- Charles Fogel - Croupier
- Charles Fogel - Casino Patron
- Marv Goux - Workman
- George Ford - Casino Patron
- George Ford - Croupier
- Ray Pourchot - Workman
- Boyd Cabeen - Technician
- Paul Baxley - Driver
- John Burnside - Soldier
- Don Anderson - Shopper
- Don Anderson - Gambler
- Irvin 'Zabo' Koszewski - Soldier
- Gordon Mitchell - Soldier
- Walter Bacon - Beauty Contest Guest
- Frank Baker - Hotel Guest
- Mike Lally - Pedestrian
- Mike Lally - Handler
- Barbara Chrysler - Beauty Contestant
- Chester Hayes - Ice Cream Man
- June McCall - Beauty Contestant
- Hal Taggart - Executive (uncredited)
- Hal Taggart - Executive
- Murray Pollack - Pedestrian
- Murray Pollack - Casino Patron
- Brad Brown - Student
- Brad Brown - Soldie
- Spec O'Donnell - Poker Player
- Charles Perry - Spectator at Rally
- Joe Ploski - Beauty Contest Guest
- Paul Power - Farmer
- Jack Stoney - Finch
- Sally Yarnell - Waitress
- Joseph Glick - Rally Spectator
- Joseph Glick - Handler
- Anthony Redondo - Police Officer
- Thomas Martin - Technician
- Herbert Winters - Martian Observer (uncredited)
- Joe Haworth - TV Cowboy
- Wesley Gale - Tenant
- Charles Horvath - Joey Consiglio
- Dan Terranova - Call Boy
- Frankie Van - Referee
- John Close - Cop
- Barbara English - Dancing Girl
- Peter Hornsby - Croupier
- Nels P. Nelson - Short Cop
- Norman Stevans - Casino Patron
- Wayne Tucker - Croupier
- James Gonzalez - Passenger
- Butch Hengen - Tall Boy
- Perk Lazelle - Executive
- Clark Ross - Executive
- Max Slaten - Man on Wagon
- Yvonne Romain - Bride
- Paul Hartman - Police Sergeant
- John Lasell - Jonathan Wellington
- Jimmy Lydon - Patrolman
- Carol Eve Rossen - Lieutenant's Girl
- George Chandler - Old Man
- Jack Ging - Young Man
- Arte Johnson - Irv
- Greg Morris - Lieutenant Woodard
- Randy Boone - Michael McCluskey
- Ron Foster - William Connors
- Wayne Mallory - Scout
- Richard Basehart - Adam Cook
- Antoinette Bower - Eve Norda
- Joe Mantell - Jackie Rhoades / John Rhoades
- Joe Mantell - Pole
- Albert Carrier - Frenchman
- Pitt Herbert - Field Rep #2 (uncredited)
- William O'Connell - Field Rep #1 (uncredited)
- Barry Truex - David Whitley (uncredited)
- Robert Duvall - Charley Parkes
- Barbara Barrie - Myra Russell
- Lennie Weinrib - Buddy Russell
- Norman Burton - Office Worker (uncredited)
- Robert Foulk - Gatekeeper
- Charles Seel - Reverend Wood
- Richard Devon - Dagget
- Ron Hagerthy - Ben
- Joseph Mell - Jimmy
- David Sheiner - Doc
- John Considine - McClure
- Bill Bixby - OOD
- Conlan Carter - Ensign Marmer
- Roger Jacquet - Peyton Farquhar
- Anne Cornaly - Abby Farquhar
- Herbert Hirschman
- Buck Houghton
- Rod Serling
Naomi Stevens interpreta a Washroom Attendant en la serie.
Peter Falk interpreta a Ramos Clementine en la serie.
Robert Duvall hace el papel de Charley Parkes.
Jay Adler hace el papel de Tramp.
Richard Conte hace el papel de Edward Hall.
Dorothy Adams hace el papel de Mrs. Canfield.
George Murdock interpreta a Willie en la serie.
Gladys Cooper interpreta a Elva Keene en la serie.
Robert Redford hace el papel de Harold Beldon.
Ted de Corsia interpreta a Foreman Dickerson en la serie.
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