- Lois Smith - Lisa Molloy
- Richard Greene - Coriolanus
- Norman Lloyd - O'Leary
- Lenka Peterson - Carol Bixby
- Richard Basehart - Matt Donovan
- Robert Coote - Dr. Gordon
- Lee Grant - Emily Brooks
- Helmut Dantine - Dr. Roland Maradick
- Wendy Hiller - Margaret Rose
- Joseph Anthony - Governor
- O. Z. Whitehead - Peter Kovalesky
- Conrad Janis - Borden Crane
- Joanna Moore - June
- Jacques Bergerac - Jrye de Fauvel
- Eva Le Gallienne - Mrs. Koernig
- Joan Blondell - Ruth Breen
- Tommy Sands - Buck Slater
- Martita Hunt - Mrs. Porter
- Margaret Sullavan - Janet Layton Willson
- Roland Young - Harold. Mummery
- Mike Kellin - Bundy
- Madeleine Sherwood - Rose
- Leon Ames - Cyrus Walker
- Hamish Menzies - Jess Oakroyd
- Ray Danton - Callaghan
- Ralph Dunn - Sergeant MacReynolds
- Tammy Grimes - Gloria Loman
- Charles Bronson - Cal
- Richard Denning - Jack Marshall
- Francis Lederer - Rene d'Arcy
- Melville Cooper - Nilghai
- Jim Backus - Tim McTaggart
- Lynn Loring - Pat
- William Prince - Peter Standish
- June Havoc - Kitty Sharpe
- Herbert Marshall - Colonel Beaumont
- Rocky Graziano - Pablo
- Carmen Mathews - Isabel
- Cec Linder - Walt Stewart
- Bonita Granville - Ann
- Logan Ramsey - Thornton
- Frank Sutton - Lawton
- Jane Darwell - Anna - Maid
- Terry Moore - Annabelle
- Yul Brynner - Dr. Nestri
- Noah Beery Jr. - M / Sgt. Rich
- Lois Hall - Amy March
- Fred Gwynne - Little Dude
- Maureen Stapleton - Rachel Jackson
- Michael Evans - Van Christy
- J.M. Kerrigan - Pether Flynn
- Dennis Price - Julian Brimmer
- Jeffrey Lynn - Art Hugenon
- Rita Gam - Rain
- Julie Adams - Anne Willis
- Steven Marlo - Giulio
- Gene Raymond - Charles Sterling
- Abe Vigoda - Old Train Passenger
- David Winters - Tom Boyne (uncredited)
- Janice Rule - Judith Slater
- Rosalind Ivan - Mrs. Chedderwill
- Cathleen Cordell - Miss Shoe
- Charles Collingwood - Narrator
- John Cromwell - Senator Harvey Rogers
- Geoffrey Horne - Jim
- Bobby Driscoll - Peter
- Marc Platt - Lionel Ross
- Burgess Meredith - Gulley Jimson
- Josephine Hull - Lily Marsan
- Charles Coburn - Louis Hurst
- Conrad Bain - Bank Manager Evans
- Margaret Wycherly - Mrs. Page
- Faye Emerson - Melissa
- Jeff Morrow - George
- Bettye Ackerman - Betty
- Gena Rowlands - Betty
- Moyna MacGill - Dressmaker
- Marisa Pavan - Dominique Windom
- Joshua Shelley - Arturo
- Sal Mineo - Dino Manetta
- David Wayne - Jasper Hornby
- Florence Stanley - The Widow
- Louis Jourdan - Marc
- Kay Medford - Mrs. Sweeney
- Russell Hicks - Hinton
- Terry O'Sullivan - Father
- Robert Strauss - Gilroy
- George Peppard - Kenny Chance
- Michael Landon - Augie Barone
- Frank Albertson - Colonel Greer
- Lloyd Bochner - Edgar Linton
- Steve McQueen - Joseph Gordon
- Richard Bright - Ditch
- Malcolm Atterbury - Jeweler
- Lesley Woods - Tom Pettigrew
- Steven Hill - Slim Breedlove
- John Carradine - Mr. Wadleigh
- Darryl Hickman - Matt Brand
- Otto Kruger - Spencer de Witt Roland
- John Colicos - Gold Root
- Jody McCrea - Bobby Applegate
- Una O'Connor - Hannah
- Carlos Montalbán - Ramos
- Rod Taylor - Anthony Fouche
- Worthington Miner - Hugo
- Bill Quinn - Haskall Rich - Age 10
- Dean Jagger - Ben Willson
- Anna Maria Alberghetti - Monica
- Richard Boone - John Wesley Hardin
- Norman Rose - Announcer #2
- Amanda Blake - Joan Roberts
- Earl Holliman - Wayne Pilgrim
- Marguerite Chapman - Laura Adams
- Eric Fleming - Jace Farrow
- Kenneth Haigh - Devry
- Louis Hayward - Mike Fenby
- George Tobias - M / Sgt. Al Wirtz
- Ilona Massey - Countess de Vionet
- Ruth Ford - Calpurnia
- Ruth Ford - Julia
- Barry Jones - Peter Prouse
- Barbara Nichols - First Pretty Girl
- Jane White - Dr. Caltvalko
- Robert Horton - Tad Spencer
- Don Hollenbeck - Narrator
- Arthur Hill - Ivory
- Elaine Stritch - Shirley
- Patricia Cutts - Penny Penrose
- Dennis Cross - Bellboy
- Faith Brook - Ethel Mummery
- Joanne Dru - Suzie Sherrell
- John MacKay - Tony
- Albert Dekker - Billy Bones
- Tina Louise - Dolores
- Trevor Howard - Vittorio
- Robert Barrat - Sheriff
- Steve Brodie - Jerry Shoemaker
- Richard Ney - Lord Oakbridge
- Edward Arnold - Juror #10
- Walter Brooke - Jeff
- Butterfly McQueen - Pearl
- Neville Brand - Klaus
- Brian Donlevy - Jim
- Ruth Hussey - Nancy Edison
- Dana Wynter - Katherine
- Anthony Perkins - Clyde Smith
- Susan Oliver - Flora
- Melvyn Douglas - Cyril Ritchard
- Barry McGuire - Ralph Slate
- Mai Zetterling - Gabrielle
- Don Murray - Biondello
- Gigi Perreau - Jean
- Joe Mantell - Samuel Yarnell
- Gene Nelson - Trout
- Murray Hamilton - Joe Bristol
- Marsha Hunt - Janet Willson
- Marsha Hunt - Kate Brookfield (uncredited)
- Paul Lukas - Captain Lindemann
- Paul Lukas - Gabbo the Great
- Eddie Mayehoff - Col. George Woolery
- Red Buttons - St. Emergency
- Janice Mars - Singer
- Eugenie Leontovich - Queen Andrea
- Christopher Plummer - Dick
- DeForest Kelley - Bob Philo
- Kim Stanley - Georgette Thomas
- Marge Redmond - Janet
- Dane Clark - Maj. Dick Brooks
- Jack Carson - Harry Breen
- Claire Griswold - Cathy Snowe
- Jack Oakie - Frank Rey
- Patrick Macnee - Bill Cheever
- James Coburn - Sam Chandler
- Paul Birch - Big George
- Sheila Bromley - Marie
- Cecil Parker - Dr. Hans Hojda
- Cecil Parker - A newspaper publisher
- Betsy Jones-Moreland - Kitty O'Donoghue
- Maria Riva - Miss Mitnick
- Maria Riva - Jenny Swenson
- Corinne Calvet - Fraulein Vogel
- Robert Gist - Coley Davis
- Richard Webb - Dick Wright
- Peter Lind Hayes - James Allen
- Kent Smith - Friedrich Bhaer
- Denholm Elliott - Eric Inwood
- Jack Lemmon - Fred Stevens
- Jack Lemmon - Charlie Bemis
- Jacqueline Susann - The Interviewer
- Cloris Leachman - Mrs. Adams
- Stefan Gierasch - Goldstein
- Walter Matthau - Jacobs
- Walter Matthau - Olsen
- Herb Voland - Bauer
- Jackie Coogan - Jeffers
- Gig Young - Philip Adams / Alan Fredericks
- Jerry Stiller - Sergeant Joe Capriotti
- Carlos Montoya - Flamenco Musician
- Dennis Day - Dennis McTaggart
- Judi Meredith - Anna
- Edward Mulhare - Liam O'Neill
- Cedric Hardwicke - Sir Alaric
- John Cassavetes - Paul Greco
- Jack Palance - Arky
- Kim Hunter - Maggie Church
- Ralph Bellamy - Walter Preston
- Ralph Bellamy - Todd McNeill
- Eddie Firestone - Hanson
- Rosemary Harris - Nora Marsh
- Madge Evans - Ann
- John Abbott - Travers
- Heywood Hale Broun - Deskman
- Heywood Hale Broun - Bert Lewis
- Basil Rathbone - Hazelton Crome
- Jan Miner - Mother
- Scott Brady - George
- Ray Collins - Gen. Sam Woolery
- Nancy Wickwire - Miss Carter / Miss Dean / Mrs. Arcularis
- Peter Capell - Paul
- Mike Wallace - Carl
- Lisa Kirk - Katherina
- Dewey Martin - Lieutenant Peter Cameron
- Patrick McVey - Mike
- Warren Stevens - Sgt. John Hammond
- Glynis Johns - Lily Snape
- Ford Rainey - Sam Forrest
- Miriam Hopkins - Theresa Durand
- Edmon Ryan - Hanover
- Viveca Lindfors - Lisa
- Mark Roberts - David Thorpe
- Nydia Westman - Miss Twink
- Patrick O'Neal - Jud Poag
- Lee Marvin - Teale
- Una Merkel - Parsis McHugh
- Natalie Wood - Jen Potter
- Paul Langton - Mike Barnaby
- Paul Langton - John Temple
- Renee Gadd - Miss Morris
- Anthony Franciosa - Charles Egan
- Parker Fennelly - Pincher
- Robert Keith - Brutus
- Jayne Meadows - Leslie
- George Macready - Horne
- George Macready - Bakeland
- Anthony Dawson - Colonel Peter Redlands
- Peggy McCay - Claire
- William Gargan - Con McTaggart
- Irene Hervey - Beth Byrnes
- Frances Reid - Gertrude
- James Westerfield - Bilgeboy / Jimmy Scaggs
- James Westerfield - Captain James Reagan
- Walter Slezak - Lev Simon
- Scott Forbes - Ollie Winston
- Mary Beth Hughes - Ginger Ferris
- Ross Elliott - Phil Coyne
- Barbara Pepper - Ellie
- Neva Patterson - Ella Vining
- Neva Patterson - Helen
- Lawrence Dobkin - Porter
- Kenny Delmar - Mayor Clamberg
- Kenny Delmar - Pentomer
- Kevin Coughlin - Bobby
- Claude Dauphin - Cardinal Mindszenty
- Claude Dauphin - Victor Marquet
- Ned Glass - Ezra Hoffenhall
- Gracie Fields - Mrs. Harris
- Charles Aidman - Lew
- Joan Chandler - Jean Stewart
- Eddie Albert - John Peter Zenger
- Eddie Albert - Winston Smith
- Addison Powell - Dr. Frank
- Tom Drake - Clark Sherrell
- Paul Ford - Jones
- Frank Silvera - Miguel Ramando
- Dean Harens - Dave Willson
- Piper Laurie - Ruth Cornelius
- Patric Knowles - Martin Helm
- Lyle Talbot - Trent
- Robert Culp - Male Telescreen Voice
- Mischa Auer - Cosmo
- Gloria Vanderbilt - Elizabeth Alexander
- Douglass Watson - Gil
- Douglass Watson - Edward
- Francis L. Sullivan - Herod Antipas
- Francis L. Sullivan - Long John Silver
- Tom Poston - Alec Gordon
- Tom Poston - Sentry
- Natalie Trundy - Joy Morrison
- Warren Beatty - Card Player #1
- Gale Gordon - R.J. Fuller
- Dennis O'Keefe - Will
- Mary Sinclair - Jane Eyre
- Mary Sinclair - Leah
- Mary Sinclair - Hester Prynne
- Grace Kelly - Nurse Sara Mappin
- Grace Kelly - Freda Clark
- George Montgomery - Bakeland
- Kurt Kasznar - Barlach
- Stephen Elliott - Mike Dundee
- Chris Gampel - Oney Harris
- Howard Freeman - Junius Brutus
- John Conte - Gabriel
- John Conte - Dr. Kim Baylor
- Herbert Berghof - Laszlo
- Jack Lord - Paul Chester
- Jack Lord - Matt
- Edward Binns - Joe Doyle
- Don Fellows - Turney
- Connie Sawyer - Mrs. McCall
- Charles Drake - Ned Welch
- Martin E. Brooks - Peters
- Martin E. Brooks - Stephano
- Martin E. Brooks - Paul
- James Whitmore - Sam
- Richard Waring - Hindley Earnshaw
- Richard Waring - Tony Farrant
- Ernest Truex - Martin Bristol
- Frank Campanella - Creefus
- Norma Crane - Julia
- Norma Crane - Anne Burke
- Gerald Hiken - Newstand Attendant
- Martin Balsam - Francis Toohey
- Martin Balsam - Ed Coyne
- Anne Helm - Kathleen Farrell
- Mercedes McCambridge - Connie MartIn
- Anthony Ross - Inspector Williams
- Gary Merrill - Paul Gormay
- Joe Silver - Decius
- Jessica Tandy - Connaught O'Brien
- Jessica Tandy - Mrs. Moore
- Olan Soule - Doctor (uncredited)
- Cesar Romero - Pat De Carlo
- John Hoyt - Judge Cass
- Douglas Kennedy - Mr. Gordon
- Don DeFore - Capt. George Lowry
- Louis Edmonds - Grumio
- Peter Graves - Glenn Willis
- Leonard Stone - Detective Farrow
- Pauline Drake - The Waitress
- James Barton - Joe Tinker
- Lee J. Cobb - Dr. Joseph Pearson
- Edgar Buchanan - Dan Ferris
- Richard Hart - Dick Hecklar
- Richard Hart - Fedya
- Richard Hart - Dr. Dan Scott
- Richard Hart - Marc Antony
- Tony Randall - Walter
- Eileen Ryan - Betsy Fuller
- Crahan Denton - Mac
- Paulene Myers - Louise
- John Kerr - The Boy
- Fred Clark - Mort
- Walter Abel - Juror #4
- William Hickey - Jonesy
- William Hickey - Paul Richards
- Ignatius Wolfington - Court Clerk
- Paul Carr - Allen Minton
- Bramwell Fletcher - Mr. Wynteringham
- Bramwell Fletcher - Governor Bell
- Bramwell Fletcher - Dr. Alderton
- Patricia Huston - Priscilla Olson
- William Shatner - Dr. David Coleman
- William Shatner - Kenneth Preston
- William Shatner - Dr. Franck
- Michael Higgins - Sergeant James Sheeley
- Eva Gabor - Laura Pasquale
- Eva Gabor - Mandarin Jones
- Edward R. Murrow - Narrator (voice)
- Harry Guardino - Carmen Fiore
- Warren Oates - Card Player #2
- Jean Carson - Janet Henry
- Jean Carson - Eileen Fletcher
- Jean Carson - Mary Warren
- Clu Gulager - Lloyd Carpenter
- Hurd Hatfield - Harry Vane
- Hurd Hatfield - Narrator (uncredited)
- William Phipps - Vavick
- Leora Dana - Margaret Norton
- Leora Dana - Laura Ford
- Vincent Gardenia - Dick
- Jack Mullaney - Nick
- Jack Mullaney - Fuller
- Ed Asner - Actor #3
- Lydia Clarke - Mother
- Barbara Bel Geddes - Charlotte Lamb
- Barbara Bel Geddes - Letty Grey
- Anne Bancroft - Czechoslovakian Girl
- Anne Bancroft - Maria Cassini
- Anne Bancroft - Lisa Berzins
- Mary Healy - Kay Allen
- Eva Marie Saint - Edna Baker
- Eva Marie Saint - David's Cafe Guest
- Anne Jackson - Mattie Hobbs
- Anne Jackson - Fredda Walters
- Jerome Cowan - Harold Richards
- Bethel Leslie - Martha
- Bethel Leslie - Marian Metcalf
- Gene Lyons - Paul Cochran
- Virginia Vincent - Mrs. Sawyer
- Tony Bickley - Tommy Elliott
- Lee Philips - Juror #5
- Lee Philips - Tinker
- Lee Philips - Stephen
- Henry Sharp - Eugene Krantz
- Eda Heinemann - Sylvia Krantz
- Frank Biro - Man
- Victor Jory - Gangster
- Victor Jory - Interrogator
- Victor Jory - Dr. Kane
- Cyril Ritchard - Pontius Pilate
- Cyril Ritchard - Monty Gavenhurst
- Leatrice Joy - Rowena
- Fred J. Scollay - Harry Sawyer
- Fred J. Scollay - Man in Cell
- Valerie Bettis - Sasha
- Albert Salmi - Skeets Chase
- Albert Salmi - Lenny Shank
- Lee Richardson - George Lang
- Noel Leslie - Charrington
- Truman Smith - Parsons
- Victor Thorley - Cassandra
- Susan Hallaran - Selina
- Dick Foran - Larry
- Dick Foran - Jeff Clark
- Dick Foran - Russ Adams
- Larkin Ford - Juror #12
- Bart Burns - Juror #6
- Miriam Colon - Rosie
- Miriam Colon - Mrs. Talavera
- Macdonald Carey - Lenny Byrnes
- Joseph Sweeney - Juror #9
- Jack Warden - Mike
- Jack Warden - Lt. Brown
- Jack Warden - Russ Adams
- William Andrews - Richard Golden
- Bob Boucher - Wounded Soldier
- George Brenlin - Radio Operator
- Bill Butler - Corporal on the Mortar
- Kevin McCarthy - Dermot McDermot
- Kevin McCarthy - Lt. Johnny Quayle
- Kevin McCarthy - Rochester
- Judith Evelyn - Volumnia
- Judith Evelyn - Lady Macbeth
- Judith Evelyn - Mary Lincoln
- Judson Pratt - Mr. Trasker
- Judson Pratt - The Reporter
- Cy Chermak - Radio Operator
- Wyatt Cooper - Winter Duval
- Wyatt Cooper - Lieutenant Peters
- Brad Deilman - Officer
- Howard Deilman - Officer
- Tony DelGatto - Wounded Soldier
- Robert Sterling - David Grant
- Robert Sterling - Jeff Troy
- Bob Drew - Wounded Soldier
- William Flatley - Wounded Soldier
- Catherine McLeod - D. D. Dillward
- Catherine McLeod - Sgt. Shirley Marsh
- Catherine McLeod - Monica Dixon
- Catherine McLeod - Bessie
- Edgar Stehli - Frank Norton - Retired Senator
- Peter Turgeon - Humphreys - Reporter
- Patricia Neal - Miriam Leslie
- Patricia Neal - Caroline Mann
- Don Gordon - Eddie Smith
- Don Gordon - Al Rossi
- Harry Holcombe - Senator George Smithson
- Robert Paget - Senate Page
- Howard St. John - Herbert
- Howard St. John - Mr. Steen
- Beatrice Straight - Pamela Baxter
- Louise Allbritton - Celia Arden
- Paul Douglas - Paul Kadsoe
- Paul Douglas - Captain McCaffrey
- Judson Laire - Dr. Waller
- Inger Stevens - Lucy Henderson
- Inger Stevens - Sue Ellen
- Inger Stevens - Mary
- Tom Clancy - Flaherty
- Tom Clancy - Tom
- Lee Remick - Elaine Bayley
- Lee Remick - Jessie Benson
- Van Dyke Parks - Lawrence Alden
- Van Dyke Parks - Eddie Stone
- Van Dyke Parks - Robbie
- Howard Smith - Lt. Haines
- Howard Smith - Inch Ravel
- Lee Bergere - Arthur Hayes
- Boris Karloff - Professor Koernig
- Boris Karloff - King Arthur
- Boris Karloff - Skaggs
- Marian Seldes - Anna Zenger
- Marian Seldes - Belle Giles
- Marian Seldes - Mary Widdicomb
- Mildred Natwick - Mrs. Beam
- Mildred Natwick - Kate
- Ann Cameron - Phyllis Hayes
- Whitfield Connor - Frank Morrison
- Eileen Heckart - Evie Jackson
- Judith Lowry - Mrs. Blake
- Ralph Meeker - Larry Sheridan
- Ralph Meeker - Steve Windom
- Nell O'Day - Clarice Morrison
- Geraldine Brooks - Theresa
- Geraldine Brooks - Minerva
- Constance Ford - Blanche Gallagher
- Constance Ford - Adrian Falcon
- Dickie Olsen - Christopher Morrison
- Charlotte Pearson - Anna Blake
- James Broderick - John Alexander
- James Broderick - Robert
- Gisele MacKenzie - Alice Abernathy
- Gisele MacKenzie - Pat
- Kenneth Utt - Joseph Blake
- Robert Webber - Skeets - Henchman / Bodyguard
- Eli Wallach - Peter Hendon
- Eli Wallach - Ozep
- Wesley Addy - Walter Marshall
- Wesley Addy - Steven Coryat
- Wesley Addy - McAllister
- Richard Carlson - Harvey Lindfield
- Richard Carlson - Father
- Mary Wickes - Mary Poppins
- Mary Wickes - Miss Hargreaves
- Woodrow Parfrey - Joey
- Woodrow Parfrey - Jesse Pope
- Leslie Nielsen - Edmund
- Leslie Nielsen - Karl
- Leslie Nielsen - Tallman
- Leslie Nielsen - Chris Jackson
- Leslie Nielsen - Stan Janicek
- Leslie Nielsen - Dr. Clayborn
- Leslie Nielsen - Mac
- Leslie Nielsen - Dr. Roger Waring
- Fay Bainter - Aunt Valerie
- Fay Bainter - Mrs. Morgan
- Gaby Rodgers - Gina
- Gaby Rodgers - Bessie
- John Drainie - Felix Dodge
- John Drainie - Mr. Arcularis
- Marie Powers - Jessamine
- Marie Powers - Madame Flora / Baba
- J. Pat O'Malley - Davey
- J. Pat O'Malley - Jim
- Orson Bean - Harvey B. Hines
- Orson Bean - Charlie Digger
- Orson Bean - Joey
- James Dean - William Scott
- James Dean - Joe Palica
- James Dean - Hotel Bellboy (uncredited)
- George Voskovec - Von Schwendi
- George Voskovec - Zarodin
- George Voskovec - Juror #11
- George Voskovec - Kovac
- Fritz Weaver - George
- Fritz Weaver - George Hanley
- Leo G. Carroll - Bellingham
- Leo G. Carroll - Very Rev. Thomas Canon Skerritt
- Hildy Parks - Fran
- Hildy Parks - Doris Anderson
- Hildy Parks - Judy McDermott
- Hildy Parks - Avery Dow
- Hildy Parks - Mabel Prentice
- Hildy Parks - Maggie Troy
- Berry Kroeger - Mr. Lawrence
- Berry Kroeger - Rembrandt Van Rijn
- Berry Kroeger - Mr. Walkes
- Berry Kroeger - Caiaphas
- Berry Kroeger - Baron Tito Belcredi
- Berry Kroeger - Sir Sagramor
- Larry Blyden - Cadmon
- Larry Blyden - Al Walters
- Thomas Mitchell - Hank Morgan
- Thomas Mitchell - Jack Guzzow
- Thomas Mitchell - William Mallory
- Alice Pearce - Regina Gavenhurst
- Alice Pearce - Mrs. Bliss
- Romney Brent - Eames
- Romney Brent - Maigret
- Romney Brent - Governor Bernard
- Nancy Kelly - Dorothea
- Nancy Kelly - Helen
- Nancy Kelly - Sister Mary Aquinas
- Luther Adler - Joe Rundle
- Lois Nettleton - Bertha Randall
- Frances Farmer - Sarah Walker
- Frances Farmer - Laura Nelson
- Hugh Marlowe - Harry Radcliff
- Hugh Marlowe - Howard Vining
- Jackie Cooper - Dave Tuttle
- Jackie Cooper - Blackie Scantling
- Steve Cochran - Dan
- Steve Cochran - Peter Hadley
- James Dunn - Frank Gabriel
- Charles Dingle - Judge Swanson
- Lee Bowman - Alan Morewether
- Shepperd Strudwick - Hal Manning
- Shepperd Strudwick - Cassius
- Shepperd Strudwick - Nordlund
- Shepperd Strudwick - Mac Taylor
- Shepperd Strudwick - Senator Greet
- Alan Young - George Abernathy
- Alan Young - Timothy Palmer
- Philip Bourneuf - Dr. Kent O'Donald
- Philip Bourneuf - Marc Antony
- Philip Bourneuf - Brutus
- Philip Bourneuf - Gen. Gerringer
- Milton Selzer - 2nd Guard
- Milton Selzer - Drunk
- Milton Selzer - Gerald
- Milton Selzer - Mr. Weston
- Barbara Baxley - Marcy Royce
- Barbara Baxley - Louise Shoemaker
- Phyllis Kirk - Samantha Dolan
- Phyllis Kirk - Carol Chandler
- Phyllis Kirk - April
- Phyllis Kirk - Mary Grenville
- Eli Mintz - Phil Nathan - the Tailor
- Eli Mintz - Mr. Elihu
- Paul Tripp - Joseph (uncredited)
- Paul Tripp - Howard
- Anne Francis - Kristin
- Anne Francis - Wichita Jones
- Luis van Rooten - Lutz
- Luis van Rooten - Dad
- Charlton Heston - Col. / Dr. Michael Knowle
- Charlton Heston - James Otis
- Charlton Heston - Edward Rochester
- Charlton Heston - Heathcliff
- Charlton Heston - Mitch Henderson
- Charlton Heston - Philip Carey
- Charlton Heston - Merton Densher
- Charlton Heston - Macbeth
- Charlton Heston - Commander Schneider
- Charlton Heston - Petruchio
- Whit Bissell - Prof. Geoffrey Crawford
- Whit Bissell - Denton
- Royal Dano - Tom Doan
- Royal Dano - Zack
- Michael Strong - Harry Henderson
- Michael Strong - Otis
- Michael Strong - Dave
- George Mitchell - Mr. Juleson
- George Mitchell - Ferguson
- Corey Allen - Eddie Gilmer
- Corey Allen - Frankie
- John Forsythe - Capt. Sam MacKenzie
- John Forsythe - Pete Maynard
- John Forsythe - James Rexham
- John Forsythe - Judd
- John Forsythe - Maj. Peter Brook
- John Forsythe - Marv Payne
- Norman Fell - Jake
- Norman Fell - Juror #1 / Foreman
- Keenan Wynn - Graham Hicks
- Keenan Wynn - Wally
- Chester Morris - Sam Benson
- Chester Morris - Jack Sparling
- Chester Morris - Warden Garry
- Chester Morris - Jack Feeney
- Arthur O'Connell - Curtis
- Arthur O'Connell - Manachi Conners
- Hume Cronyn - Ben Hecht
- Hume Cronyn - Mr. Moore
- Hume Cronyn - Ellis Davenport
- Hume Cronyn - Pop Thatcher
- Harry Bellaver - Sheriff
- Harry Bellaver - St. Loo
- Art Carney - Bill Berkson
- Art Carney - Horace Ford
- Art Carney - Mr. Gubbins
- Art Carney - The Author
- Peggy Ann Garner - Honey Weber / Frances Weston
- Peggy Ann Garner - Katey
- Peggy Ann Garner - Jenny
- Barry Sullivan - Michael Norman
- Barry Sullivan - Steve Burke
- Barry Sullivan - Edward Roberts
- Bert Freed - Chick
- Bert Freed - Mike Jannis
- Bert Freed - Lt. Burke
- Bert Freed - Malone
- Sam Levene - Ben Weber
- Sam Levene - Ben Selig
- Cliff Norton - Mr. Foster
- Cliff Norton - Luke
- Cliff Norton - Pete Harvey
- Kathleen Maguire - Evelyn Digger
- Kathleen Maguire - Chris Juleson
- Leueen MacGrath - Lois Tucker
- Leueen MacGrath - Helen Pettigrew
- Joel Crothers - Marvin
- Joel Crothers - Henry
- Robert Cummings - George Lumley
- Robert Cummings - Juror #8
- Robert H. Harris - Major Sergie Zoubatoff
- Robert H. Harris - Max Ansell
- Robert H. Harris - Pogani
- Cecil Kellaway - Jason
- Cecil Kellaway - Mick Rafferty
- June Lockhart - Janet Clarke
- June Lockhart - Anna Fortner
- June Lockhart - Robbie
- Paul Hartman - Juror #7
- Paul Hartman - Cully
- Alfred Ryder - Allie
- Alfred Ryder - Marc Antony
- Frank Overton - Dr. Manning
- Frank Overton - Alan Wall
- David White - Oliver
- David White - Van Zandt
- David White - Max
- Ross Martin - Lt. Maxwell
- Ross Martin - David Willson
- Peter Falk - Jack
- Peter Falk - Carmen's Assistant
- Lin McCarthy - Doug Clarke
- Lin McCarthy - Mike Reardon
- Lin McCarthy - Sherman
- Lin McCarthy - Daniel Joyce
- Margaret Hamilton - Laura Lawson
- Margaret Hamilton - Mrs. McIntosh
- Margaret Hamilton - Irma Davis
- Charles Korvin - El Cameron
- Charles Korvin - Paul Collins
- Charles Korvin - Julian Wilder
- Charles Korvin - Gastman
- Charles Korvin - Philip Hausman
- Charles Korvin - Francis
- Jackie Gleason - Sam Wheeler
- Jackie Gleason - Jerry Giles
- Jackie Gleason - Uncle Eddie Doyle
- Jonathan Harris - Master of Ceremonies
- Jonathan Harris - Mr. Dickinson
- Jonathan Harris - Dr. Wetheril
- Nancy Marchand - Jo March
- Nancy Marchand - Miss Marmon
- Nancy Marchand - Eleanor
- Phyllis Hill - Barbara
- Phyllis Hill - Mrs. Alden
- Phyllis Hill - Hostess
- Lorne Greene - Alexander Ferrando
- Lorne Greene - Minister of the Interior
- Lorne Greene - Dr. Madison West
- Lorne Greene - Minister of Truth O'Brien
- Lorne Greene - Frank Leslie
- Vaughn Taylor - Prof. Henry Lempkin
- Vaughn Taylor - Casca
- Vaughn Taylor - Billy
- Vaughn Taylor - Admiral Luetjens
- Vaughn Taylor - Mr. Racknall
- Vaughn Taylor - Doc
- Vaughn Taylor - Carlton Delafield
- Hope Emerson - Rosie McTaggart
- Hope Emerson - Mrs. Flo Flower - Landlady
- Hope Emerson - Mrs. Bascomb
- Elizabeth Montgomery - Maggie
- Elizabeth Montgomery - Marcia Loring Adams
- Elizabeth Montgomery - Helen Durand
- Cameron Mitchell - Johnny August
- Cameron Mitchell - James Waterson
- Mary Astor - Ruth Sparling
- Mary Astor - Harriet Brand
- Bruce Gordon - Clanton
- Bruce Gordon - Dave Weber
- Bruce Gordon - Bonnell
- Doreen Lang - Clara Breedlove
- Doreen Lang - Irene Gabriel
- Geraldine Fitzgerald - Claudia Procula
- Geraldine Fitzgerald - Charlotte Bell Wheeler
- Geraldine Fitzgerald - Marian McNeill
- Geraldine Fitzgerald - Duchess
- Aline MacMahon - Mrs. Weston
- Aline MacMahon - Mrs. Grey
- Lloyd Bridges - Sam Dobie
- Lloyd Bridges - Henry Smith
- Lloyd Bridges - Pike
- Joe Maross - Johnny Baer
- Joe Maross - Harry
- Ruth White - Belle Travers
- Ruth White - Mrs. Cornelius
- Ruth White - Mama
- Ian Wolfe - Judge Marsala
- Ian Wolfe - Guthrie
- Phyllis Love - Phyllis
- Phyllis Love - Alice Nichols
- Phyllis Love - The Girl
- Betsy Palmer - Ann Meade
- Betsy Palmer - Edith Olmstead
- Betsy Palmer - Mimi
- Betsy Palmer - Maureen Drew
- Betsy Palmer - Ellen Morrison
- Betsy Palmer - Dony Waller
- Tommy Rettig - Johnny Weber
- Tommy Rettig - Michael Banks
- Tommy Rettig - Jim Metcalf
- Frank Marth - Franks
- Frank Marth - Actor #2
- Leo Penn - Morrow
- Leo Penn - Peter
- David Opatoshu - Big Uncle
- David Opatoshu - Sam Garson
- Anne Seymour - Mrs. Bailey
- Anne Seymour - Carol Trasker
- Anne Seymour - Martha
- Anne Seymour - Mercy Warren
- Ernest Graves - Tranio
- Ernest Graves - Charlie Lockman
- John Lupton - Marty
- John Lupton - Dr. Paul Thatcher
- John Lupton - Robert Rogart
- Frances Sternhagen - Mary
- Frances Sternhagen - Betty - Secretary
- Alexander Scourby - Carl Phillips
- Alexander Scourby - Prof. Tom Monev
- Alexander Scourby - Edward
- Alexander Scourby - Narrator
- Martin Kosleck - Popochenko
- Rudy Bond - Peter D'Agostino
- Rudy Bond - Mr. Manetta
- Rudy Bond - Eccles
- Frank McHugh - Horace Potter
- Frank McHugh - Ben Ames
- Frank McHugh - Nobby Bishop
- Frank McHugh - Barney
- Margaret O'Brien - Julie Denton
- Margaret O'Brien - Jenny Walker
- Joanne Woodward - Christiana
- Joanne Woodward - Daisy Gilmer
- Joanne Woodward - Lisa Molloy
- Mildred Dunnock - Mrs. Mavis
- Mildred Dunnock - Mrs. Tanner
- Mildred Dunnock - Mrs. Juleson
- Mildred Dunnock - Amy
- Michael Tolan - Octavius Caesar
- Michael Tolan - Plenty Own
- Michael Tolan - Al Garson
- Glenda Farrell - Lucille Sears
- Glenda Farrell - Irene
- Glenda Farrell - Mrs. Endsley
- Glenda Farrell - Claire
- Harry Townes - Outarist
- Harry Townes - Peter Hartley
- Harry Townes - Karl Weber
- Harry Townes - Mr. Hager
- Harry Townes - Eliot Nelson
- Harry Townes - Mr.Rogers
- Henry Jones - St. Barnabas
- Henry Jones - Sloane
- Henry Jones - Simon Hazlett
- Henry Jones - Mr. Weaver
- Henry Jones - Sam
- Wendell Corey - Senator James Norton
- Wendell Corey - Will Robbins
- Wendell Corey - Dr. Cory
- Wendell Corey - John Ryerson
- Rosetta LeNoire - Mary Ellen Bailey
- Rosetta LeNoire - Maid
- Patricia Smith - Helen
- Patricia Smith - Ginny Lipton
- Patricia Smith - Clare
- Nina Foch - Joyce
- Nina Foch - Carrie Brown Huddleston
- Nina Foch - Lee Fouche
- Nina Foch - Fran
- Nina Foch - Belinda Cattson
- Nina Foch - Barbara
- Nina Foch - Melissa Turner
- George Mathews - George
- George Mathews - Sheriff Bolt
- George Mathews - Samuelson
- James MacArthur - Jim Gibson
- James MacArthur - Ben Adams
- Robert Loggia - Lieutenant Joe Crane
- Robert Loggia - Henry Thomas
- John Beal - Juror #2
- John Beal - Maj. Saks
- John Beal - Samuel Edison
- Richard Kiley - Jim Colton
- Richard Kiley - Calvin
- Richard Kiley - Julian Hurst
- Richard Kiley - Joe
- Richard Kiley - Edward Dean
- Richard Kiley - Fred Baxter
- Richard Kiley - Merrick
- Richard Kiley - Ralph Johnson
- John Fiedler - Jouvin
- Biff McGuire - Overland Kid
- Biff McGuire - Cary
- Biff McGuire - Coley
- Biff McGuire - James Allen
- Biff McGuire - Don Henderson
- Dennis Hopper - David Williams
- Dennis Hopper - Harry Wales
- Skip Homeier - The Boy
- Skip Homeier - Peter Shea
- Skip Homeier - Theodore Jr.
- Skip Homeier - Capt. Gene Lipton
- Skip Homeier - Carl Green
- Skip Homeier - Dickie Rogers
- Addison Richards - Mr. MacKail
- Addison Richards - Carter Jackson
- Addison Richards - Arthur
- Meg Mundy - Lady Laracor
- Meg Mundy - Mrs. Taggert
- Eddie Bracken - Herbert (voice)
- Eddie Bracken - George Short
- Eddie Bracken - Billy Cascade
- Henderson Forsythe - Riley
- Henderson Forsythe - Mr. Minton
- Henderson Forsythe - Dr. Barnes
- Henderson Forsythe - Police Sergeant
- Everett Sloane - Jonah Silver
- Everett Sloane - Korolenko
- Everett Sloane - Aaron Burr
- Everett Sloane - Mike Hudson
- Everett Sloane - Giovanni
- Everett Sloane - Walter Winkworth
- Everett Sloane - Ben Royce
- Pat Hingle - Dr. Clark
- Pat Hingle - Hank
- Pat Hingle - Maj. Bergman
- Darren McGavin - Will Sorrell
- Darren McGavin - Johnny Quigg
- Darren McGavin - Tom Kendall
- William Smithers - Lieutenant Bill Meade
- William Smithers - Bernie Linton
- William Smithers - Linus Hobbs
- William Smithers - Tom
- Theodore Bikel - Grossman
- Theodore Bikel - Julius Caesar
- Theodore Bikel - Machek
- Theodore Bikel - Henri Blanchard
- Barbara O'Neil - Emily Bell
- Barbara O'Neil - Sister Frances Helen
- Barbara O'Neil - Margaret
- Barbara O'Neil - Aunt Ti
- Barbara O'Neil - Martha Henderson
- Barbara O'Neil - Mrs. Cory
- Ruth McDevitt - Mrs. Clark
- Ruth McDevitt - Mrs. Hester
- Ruth McDevitt - Mrs. Wilson
- Larry Gates - Clayman
- Larry Gates - Henry Winthrop
- Larry Gates - George Savage
- Larry Gates - Hy
- Pat Henning - Luke McTigger
- Pat Henning - Stabell
- Pat Henning - Tom Dunphy
- E.G. Marshall - Aaron Kinney
- E.G. Marshall - Dr. Shratt
- E.G. Marshall - Harry Mork
- E.G. Marshall - George Banks
- E.G. Marshall - Everett Metcalf
- Russell Collins - Carl Bannister
- Russell Collins - Charlie Henderson
- Russell Collins - Collins
- James Gregory - Corey
- James Gregory - Mr. Black
- James Gregory - Mr. Bales
- James Gregory - Private Alan Pomeroy
- James Gregory - James Metcalf
- James Gregory - Gas Man
- James Gregory - George Monzo
- Rosemary DeCamp - Cora Thompson
- Rosemary DeCamp - Laura Weber
- Joanne Linville - Jo Hanley
- Joanne Linville - Mary Sevier
- Joanne Linville - Maureen Drew
- Joanne Linville - Midge Moore
- Joanne Linville - Kathy
- Noel Drayton - Gifford
- Noel Drayton - Agent
- James Daly - Sergeant Pat Boyle
- James Daly - Professor Amos Tucker
- James Daly - Bill Tanner
- James Daly - Mr. White
- James Daly - Jim Briscoe
- James Daly - Rufus Jackson
- James Daly - A cartoonist
- James Daly - Greg Chandler
- James Daly - Scott Martin
- James Daly - Major Gaylord
- James Daly - Deering
- Mario Alcalde - Tonio
- Mario Alcalde - Mr. Talavera
- Mario Alcalde - Lopez
- Mario Alcalde - Junipero
- Mario Alcalde - Joseph
- Clarice Blackburn - Mrs. Anchorage
- Clarice Blackburn - Ruth Rundle
- Clarice Blackburn - Maria Ramandes
- Clarice Blackburn - Social Worker
- Luke Halpin - Brucie Potter
- Luke Halpin - Frank Clarke
- Luke Halpin - Johnny
- Luke Halpin - Donald
- Luke Halpin - Boy
- Edward Andrews - C. Elliot Friday
- Edward Andrews - Fistar Marrock
- Edward Andrews - Parker
- Edward Andrews - Henry Horne
- Edward Andrews - Forest
- Edward Andrews - Nils
- Conrad Nagel - Dr. Thorne
- Conrad Nagel - Richard Elton
- Conrad Nagel - Professor Anson
- Dick York - Lt. Paul Koestler
- Dick York - George Fox
- Dick York - George Weston
- David Lewis - Edmund Taylor
- David Lewis - Narrator
- Burt Brinckerhoff - Rudy Valasek
- Burt Brinckerhoff - Kenny Bales
- Burt Brinckerhoff - Ralph Moore
- Jack Klugman - Leo
- Jack Klugman - Darrell
- Jack Klugman - George Hall
- Jason Robards - Prisoner
- Jason Robards - Leonard O'Brien
- Jason Robards - Frank Cameron
- Jason Robards - Walter Osgood
- Franchot Tone - Bill Gibson
- Franchot Tone - Douglas Thompson
- Franchot Tone - Juror #3
- Franchot Tone - Rev. Lockman
- James Franciscus - Norstad
- James Franciscus - Brass
- James Franciscus - Johnny
- Nita Talbot - Connie Mason
- Nita Talbot - Maxine
- Nita Talbot - Pat Hutchins
- Eduardo Ciannelli - General Andreas della Rovere
- Tom Ewell - Willie Mason
- Elsa Lanchester - Jenny Pratt
- Philip Abbott - Dr. Neil Campbell
- Philip Abbott - Peter
- Philip Abbott - Jack O'Hara
- John Cannon - Self - Announcer (voice)
- Pat O’Brien - Mike Waterson
- Stanley Ridges - Police Chief Scott Anderson
- Wynne Gibson - Hotcha - conspirator
- Theodore Newton - Sgt. Wally Shane
- John McGovern - Dr. Horace Bell
- Michèle Morgan - Carol
- Don Hastings - Ensign Zorn
- Robert Emhardt - Joe Phelps (uncredited)
- Robert Emhardt - DA Ted Carroll
- Robert Emhardt - Otis Block
- Robert Emhardt - Chief of Staff Heller
- Worthington Miner
Cesar Romero interpreta a Pat De Carlo en la serie.
Stephen Elliott hace el papel de Mike Dundee.
Abe Vigoda interpreta a Old Train Passenger en la serie.
Helmut Dantine interpreta a Dr. Roland Maradick en la serie.
Christopher Plummer interpreta a Dick en la serie.
J.M. Kerrigan interpreta a Pether Flynn en la serie.
Madeleine Sherwood hace el papel de Rose.
Pat O’Brien interpreta a Mike Waterson en la serie.
Patrick McVey hace el papel de Mike.
Edward Binns interpreta a Joe Doyle en la serie.
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