- Patricia Owens - Sharon O'Brien
- James Best - Tucson, 'The Cowboy'
- Martin Kosleck - Basalon
- Patricia Medina - Serena Diablo
- Leif Erickson - Jason Hayes
- James Frawley - Lucien Garth
- Herb Andress - Ehrberg
- Donald Harron - Paul Kimbrell
- Rita Moreno - Margaret Cowls
- Roberto Contreras - General Salazar
- Albert Paulsen - James Gunnar Ketterback
- Ed Wynn - Zachary Belden
- Diana Hyland - Laurel Peachey
- Lizabeth Scott - Mona Roberts
- Ken Murray - Charles P. Banner
- Chuck Hayward - Deputy
- Zasu Pitts - Mrs. Bowie
- Oskar Homolka - Janek Cybowski
- Miyoshi Umeki - Lotus Bud
- Sal Mineo - Lew Dixon
- Luciana Paluzzi - Mia Bandini
- Edward Platt - Capt. Frank Metcalfe
- Robert Easton - Hapless Magician
- Vic Dana - Forrest Shea
- Robert Sorrells - Corporal MacIver
- Michele Carey - Bianca Andrade
- Barrie Chase - Alison Grahame
- Leonid Kinskey - Juan Bagulesco
- Arthur Hunnicutt - Professor Llewellen Kingston
- Elaine Stewart - Felicia
- June Havoc - Miranda Forsythe
- Walter Pidgeon - B.G. Perkins
- Rory Calhoun - Ashton DeWitt
- Louis Hayward - Stacy Blackwell
- Jeanette Nolan - Agatha Carruthers
- Jayne Mansfield - Cleo Patrick
- Gene Raymond - Arthur Wade
- Michael Wilding - Dr. Alan Steiner
- Lori Saunders - Brunette at Party
- Jocelyn Lane - Angelina Brascio / Adriana Montaigne
- Joseph Ruskin - Sir Tristan Voss
- Gladys Cooper - Harriet Richards
- Karlheinz Böhm - Professor Thomas Marton
- James Shigeta - Sidney Ying
- France Nuyen - Zeeni
- Steve Forrest - Jocko Creighton
- Phyllis Newman - Comrade Alexia Salov
- Yvonne De Carlo - Countess Barbara Erozzi
- Gloria DeHaven - Connie French
- Jill Haworth - Ambrosia Mellon
- Glynis Johns - Steffi Bernard
- J. Carrol Naish - Mr. Toto
- David Winters - Special Agent James Martin (uncredited)
- Ben Wright - Alan Rycroft
- Sharon Farrell - Libby Hale
- Russ Tamblyn - Maximillian
- David Sheiner - Alexander Szabo
- Berry Kroeger - General Henri Zachron
- Don Ameche - Whitman Saunders
- Tom Ewell - Leander Clement
- James MacArthur - Larry Forsythe
- Joyce Jameson - Lucy Brewer
- Michael Ansara - Big Bwana Smith
- Morgan Brittany - Lolita
- Nico Minardos - Pepe Delgado
- Aliza Gur - Carmen
- Ann Tyrrell - Ruth Potter
- James Flavin - Officer Danny Robin
- Tammy Grimes - Jill Marsh
- Joanie Sommers - Pee Wee Wilson
- Josephine Hutchinson - Madeline Vickers
- Brooke Bundy - Suzanne 'Suzie' Winters
- Dyan Cannon - Francesca Szabo
- Steven Geray - Dr. Alexis Crystal
- Stuart Margolin - Young Man
- Celeste Yarnall - Blonde
- Arthur Batanides - Spanjard
- Steve Brodie - Graham Tree
- Jamie Farr - Zava
- Dub Taylor - Garnet
- Mark Goddard - Richard Adams
- Kipp Hamilton - Silkie
- Tom Tully - Jethro Tate
- Edy Williams - Doreen (uncredited)
- Edd Byrnes - Davey Carr
- Billy De Wolfe - Artemis Newpenny
- Mamie Van Doren - Aurora Knight
- Antoinette Bower - Countess Anna Marie Mouton
- Michael Dunn - Mr. Sin
- Ann Harding - Annabelle Rogers
- Linda Darnell - Monica Crenshaw
- Marty Ingels - Wally
- Seymour Cassel - Attendant
- Gypsy Rose Lee - Miss Bumpsy Cathcart
- Mari Blanchard - Mrs. Vasquez
- Michael Pate - Kauffman
- Jean Carson - Eagle Eye
- Whit Bissell - Dr. Freestone
- Lee Delano - Aide
- Diana Dors - Maxine Borman
- Spike Jones - Duke of Epsom
- Skip Homeier - Paul Lynnaker
- John Abbott - Conrad Jaeger
- Victor Jory - Jim Clover
- Kathleen Nolan - Maura
- Dana Wynter - Iris Marlowe
- Dawn Wells - Wendy
- George Nader - Chris Maitland
- Parley Baer - Colonel Pavlov Popoff
- Alan Mowbray - Butterfield
- Bernard Fox - Drummond
- Susan Oliver - Janet Fielding
- Felicia Farr - Whitney Kelly
- Fritz Feld - Captain of Waiters
- Stanley Adams - Lou Manzini
- Dick Smothers - Luke Rafer
- Elisha Cook Jr. - Wyatt
- Laraine Day - Lisa Cole
- Percy Helton - Hudkins
- Cecil Kellaway - Brother Flaherty
- Janis Paige - Sharon McCauley
- Arthur O'Connell - Dr. Stuart Alexander
- Carl Benton Reid - The Man
- Soupy Sales - Henry Geller
- William Demarest - Charlie Who
- Rosemary DeCamp - Mrs. Franklin
- Herschel Bernardi - Kid McCoy
- Deborah Walley - Gwenny Trent
- Joanne Dru - Solange Kelly
- Deanna Lund - Wac
- Richard Haydn - Julian Clarington
- Grady Sutton - Hubie
- Tab Hunter - Barney Blake
- Madge Blake - Mother Goose
- Gunilla Hutton - Model
- William Shatner - Arthur Reynolds
- Torben Meyer - Lobbermacher
- Marvin Brody - Kurtz
- Margaret Leighton - Connie Hanson
- Richard Reeves - Gorgo (Driver)
- Jay C. Flippen - Lieutenant Grogan
- Jay C. Flippen - Bill, the Desk Sergeant
- Sharyl Locke - Pat (minor)
- Lawrence Montaigne - Franz Werner
- John Hoyt - Otto Veidt
- Stubby Kaye - Joey Carson
- Joan Blondell - Ethel Kronkeit
- Joan Blondell - Candy Sturdevant
- Gena Rowlands - Paullette Shane
- Gena Rowlands - Mitzi Carlisle
- Nancy Sinatra - Jill Stacy
- Marianna Hill - Doc Goddard
- Dean Stockwell - Jay Boy Calhoun
- Louis Mercier - Duprez
- Dina Merrill - Barrie Coleman
- Dorothy Lamour - Lovey Harrington
- Dorothy Lamour - Flo Romaine
- Gene Baylos - Apartment Manager
- Dane Clark - Milton Yeager
- John Hubbard - Manicurist
- Julie Adams - Carla Cabral
- Jane Darwell - Mrs. Leah Mulligan
- George Sawaya - Officer
- Jack Carter - Red Dekker
- David Wayne - Al 'The Bomber' Devlin
- Charles Lane - Dr. Lusk
- Ed Asner - Pablo Vasquez
- Bruce Cabot - Thomas Mathewson
- Shelley Berman - King Dmitri
- J. Pat O'Malley - Flynn
- Buster Keaton - Mortimer Lovely
- Pepe Callahan - Trino
- Frankie Avalon - Max
- Frankie Avalon - Ralph Hirt
- Norman Alden - Mark Hodges
- Mickey Rooney - Archie Lido
- Virginia Mayo - Dr. Terry Foster
- Mary Astor - Florence Roberts
- Jack Haley - Victor Haggerty
- George Hamilton - Little John Lester
- George Hamilton - Clint Perry
- Elisa Ingram - Inga Ernst
- Irene Hervey - Mrs. Tilson
- Jill St. John - Pinky Likewise
- Henry Jones - Harrison Quentin Filmore
- James Whitmore - Joe Piante
- Larry D. Mann - Maximillian Darvas
- Mel Blanc - Bird's Voice (voice)
- Ida Lupino - Lynn Dexter
- Ida Lupino - Meniletha Calhoun
- Juliet Prowse - Renee De Armand
- Juliet Prowse - Angel Crown
- Susan Silo - Phoebe
- Elaine Devry - Peggy
- Eduardo Ciannelli - Dominic De Armand
- Gene LeBell - Wrestler
- Julie Parrish - Tanya
- Don Diamond - Romeo
- Sandra Gould - Mabel
- Irene Tedrow - Librarian
- Betty Hutton - Rena Zito
- Betty Hutton - Carlene Glory
- Fess Parker - Herman Sitwell
- Rhonda Fleming - Cathy Summit
- Rhonda Fleming - Clarissa Benton
- Janice Rule - Seraphim Parks
- Janice Rule - Mimsy B. Groves
- Jack Lambert - Charlie 'The Arm' Segar
- Gerald Mohr - Paul Schreiner
- Maurice Dallimore - The Englishman
- William Bendix - Fred Hopke
- William Bendix - Harrison Weems
- Bill Erwin - Fire Marshal
- Susan Strasberg - Melinda Drake
- Susan Strasberg - Tawny Hastings
- Gisele MacKenzie - Keekee Lee
- Martha Raye - Beulah Brothers
- Janette Scott - Jennifer Robbins
- Carolyn Jones - Carole Durand
- Carolyn Jones - Betsy Richards / Meredith Richards / Various Characters
- Ken Berry - Fella
- Joy Harmon - Belle Sue Walsh
- Joy Harmon - Barbara Sue
- Jane Greer - Lonnie Smith
- Vera Miles - Claudia Sutton
- Eddie Foy Jr. - Dugan
- Eddie Foy Jr. - Claude Jester
- Elizabeth Allen - Sophia, Burke's Girlfriend
- Elizabeth Allen - Elizabeth Dunwoody
- Lynn Loring - Ann Rogers / Anna Rodriguez
- Gloria Grahame - Doris Landers
- Gloria Grahame - Helen Dekker
- Don Haggerty - Policeman
- Ivan Triesault - Wexler
- Jackie Joseph - Girl Singer
- Jackie Joseph - Piggy
- Aldo Ray - Mister Harold
- Jackie Coogan - Bert Crowley
- Hoagy Carmichael - Carl Baker
- Hoagy Carmichael - 'Jango' Jordan
- Debra Paget - Helen Harper
- Debra Paget - Juliet
- Dan Tobin - Dr. McLean
- Dan Tobin - Homer Franklin
- Wally Cox - Dr. Heresford Handy
- Wally Cox - Count Carlo Szipesti
- John Qualen - Richard Prince
- Gloria Swanson - Miss Lily Boles
- Gloria Swanson - Venus Hekate Walsh
- Hank Patterson - Lukey Slade
- Eddie Albert - Arthur J. Poindexter
- Elsa Lanchester - Mrs. Ormsby
- Elsa Lanchester - Bessie Mopes
- Barbara Pepper - Cleaning Woman
- Peggy Rea - Sylvia Lewis
- Basil Rathbone - Milo James
- Madlyn Rhue - Manicurist (uncredited)
- Beverly Adams - Model
- Beverly Adams - China
- David White - Madison Cooper
- Dennis Day - Harvey Haight
- Dennis Day - Waldo Fleischacker
- Jan Murray - Dr. Abernathy
- Frankie Laine - Kelly Rogers
- Marie Wilson - Chuchi Smith
- Marie Wilson - Ramona Specks
- Forrest Tucker - Cyrus Smuts
- Elizabeth MacRae - Marcy
- Herbie Faye - Robert Jacobs
- BarBara Luna - Consuelo Menardez, 'La Tigra'
- Paul Carr - Paul Starke
- Jim Backus - Herkimer Witt
- Jim Backus - Harold Mason
- Jim Backus - Pork Pie Hannigan
- Richard Carlson - Dr. Carol Smith
- Richard Carlson - Nels Manning
- Eddie Bracken - 'Evil Eye' Hatton
- Eddie Bracken - Simeon Quatraine
- Lyle Bettger - Captain Donahue
- Don Taylor - George Hogarth
- Don Taylor - Scubie Baker
- Thomas Gomez - Caligula Foxe
- Thomas Gomez - Herr Otto Kraus
- Rod Cameron - Harry Joe Murdock
- Eva Gabor - Lily Bentley
- Zsa Zsa Gabor - Commissar Ilona Buda
- Zsa Zsa Gabor - Anna
- Dan Duryea - Sam Atherton
- Dan Duryea - Hop Sing Kelly
- Sterling Holloway - Fisk
- Byron Morrow - Charles Lee Horne
- Suzy Parker - Bridget Jenkins
- Suzy Parker - Angela Pattison
- Abbe Lane - Tashua Amil
- Abbe Lane - Melissa Hammer
- Harry Basch - O'Brien
- Harry Basch - Harlan O'Brien (uncredited)
- Sheldon Leonard - Ronald 'Touchy' Touchstone
- Sheldon Leonard - 'Chicasaw Pete' Wickowski
- Patsy Kelly - Agatha Beauregard
- Patsy Kelly - Big Mouth Annie
- Leigh Chapman - Ad Lib Girl
- Dean Jones - Rudy Davis
- Chill Wills - General Hector Harder
- Chill Wills - Harry Riggs
- Chill Wills - Stanton Custer
- Henry Corden - Boris
- Rebecca Welles - Susan
- Mabel Albertson - Adrianna Mercer
- Stafford Repp - Cody
- Gale Storm - Honey Feather Leeps
- Gale Storm - Dr. Nonnie Harper
- Eartha Kitt - Honoria De Witt
- Hugh Hefner - Manager
- Jeanne Crain - Amy Booth
- Jeanne Crain - Lorraine Turner
- Jeanne Crain - Polly Martin
- Sammy Davis Jr. - Cordwainer Bird
- Tura Satana - Peach Petal
- Hy Averback - Director
- Tom Smothers - Ghys Rafer
- June Allyson - Jean Samson
- Wendell Corey - Milo Morgan
- Bobby Darin - Roland Trivers (uncredited)
- Gene Nelson - Rick Mason
- Gene Nelson - Danny Swift
- Barry Kelley - Joe Nolan
- Theodore Bikel - Senor Manfred Gonzales
- Theodore Bikel - Vic Bates
- Nancy Wilson - Choo Choo
- Richard Loo - Grass Slipper
- Sharon Cintron - Stripper
- Sheree North - Cleo Delaney
- Sheree North - Myrtle 'Gigi' String
- Sheree North - The Maharani of Kooshipoo
- Elizabeth Montgomery - Smitty
- Elizabeth Montgomery - Stacey Evans
- Telly Savalas - Fakir George O'Shea
- Telly Savalas - Balakirov aka Richard Goldtooth
- Telly Savalas - Charlie Prince
- Larry Thor - General Corning
- John Ireland - Orrin Lashwell
- John Ireland - Bullock
- Dave Willock - Buzz Hardy
- Harry Lauter - Dr. Kalmus
- Lurene Tuttle - Amanda
- Joan Bennett - Denise Mitchell
- Aaron Spelling - Harry Penn (uncredited)
- Tina Louise - Bonnie Belle Tate
- Amzie Strickland - Woman
- Reginald Gardiner - Pepperill Twill
- Reginald Gardiner - Piggott
- Reginald Gardiner - Putzi Voltran
- Susan Bay Nimoy - Eileen
- Anthony Eustrel - Man at Party
- Anthony Eustrel - Florist
- Anthony Eustrel - Manager
- Broderick Crawford - Carlos Varga
- Broderick Crawford - Tristram Corporal
- Broderick Crawford - Milhew Court
- Broderick Crawford - Hamilton Talbert
- Nina Foch - Anjanette Delacroix
- Arlene Dahl - Maggie French
- Arlene Dahl - Eva Martinelli
- Arlene Dahl - Princess Kortzoff
- Arlene Dahl - Gloria Cooke
- Macdonald Carey - Burl Mason
- Macdonald Carey - Ben Gardner
- Macdonald Carey - Waldo Nicely
- Macdonald Carey - Franklyn Warren
- Dick Clark - Gil Knox
- Dick Clark - Peter Barrows
- Carl Reiner - Chief Inspector House
- Carl Reiner - Binky Fawcett
- Horst Ebersberg - Max
- Horst Ebersberg - Batton
- Howard Duff - Lou Cole
- Howard Duff - Charlie January
- Nancy Kovack - Girl Girl
- Nancy Kovack - Alistair
- Nancy Kovack - Prudence Wrightly
- Nancy Kovack - Athelstone Scone
- Mako - Happy Tuava
- Mako - Pete
- John Zaremba - Lt. Charlie Johnson (uncredited)
- Ruth Roman - Elinor Albrick
- Jimmy Cross - Jackie Mears
- Hal March - Paul Anders
- Hal March - Yates Dudley
- Sandra Giles - Mrs. Kurtz
- Sandra Giles - Brunette
- Ricardo Montalban - Nicholas Amenor
- Ricardo Montalban - Armand Dubovier
- Corinne Calvet - Francesca Bel Ami
- Corinne Calvet - Ariella Martel
- Corinne Calvet - Felice De Marco
- Steve Cochran - St. John Carlisle
- Steve Cochran - Fletcher Seamway
- Steve Cochran - Phil Ross
- Jack Raine - Butler
- Paul Lynde - Guy Hawthorne Jr.
- Paul Lynde - Dr. McCoy
- Paul Lynde - Arthur Clark
- Andy Devine - Charles Cortland
- Byron Foulger - Howard
- Byron Foulger - Beldon
- Hal Baylor - Atlas (uncredited)
- Nanette Fabray - Amanda Tribble
- Nanette Fabray - Rowena Coolidge
- Carol Merrill - Model
- Cedric Hardwicke - John Busch
- Lennie Weinrib - Maddox
- Lennie Weinrib - Cully
- Diana Lynn - Marian Van Martin
- Diana Lynn - Elaine Truscott
- Dee J. Thompson - Nurse
- Joan Staley - Laura
- Joan Staley - Chrissie Keller
- Joan Staley - Traffic Girl
- Daniel H. Jenkins - Attorney
- Dewey Martin - Dominic Farrow
- Dewey Martin - Con Murdock
- Virginia Grey - Elaine Barrows
- Lester Dorr - Lovely's Butler
- Peter Leeds - Martin
- Peter Leeds - Don Kyles
- Keenan Wynn - Kid Corey
- Keenan Wynn - Hamilton 'Give 'em Away' Murphy
- Janet Blair - Violet
- Janet Blair - Rina Jacobs
- David Niven - Harvey Cleeve
- Jan Sterling - Vera Selby
- Jan Sterling - Devora Cato
- Susan Flannery - Secretary
- Fernando Lamas - Kelly Mars
- Fernando Lamas - El Greco
- Sandra Warner - Mary
- Burgess Meredith - Sidney Wilde
- Burgess Meredith - Harold Harold
- Burgess Meredith - Burton Reese
- Alean 'Bambi' Hamilton - Cleo
- Hazel Court - Constance Dexter
- Hazel Court - Goodigan 'Goody' Handy
- Jane Wald - Ursula Prince
- Stephen McNally - Ed Nickerson
- Stephen McNally - Frank Walsh
- Agnes Moorehead - Dona Ynez Ortega y Esteban
- Agnes Moorehead - Liz Haggerty
- Agnes Moorehead - Pauline Moss
- Louis Quinn - Henry Cassidy
- Louis Quinn - Delicatessen Owner
- Greta Chi - Kara, Chen's Assistant
- Una Merkel - Miss Samantha Cartier
- Una Merkel - Mrs. Thomas Barrett
- Una Merkel - Clara Lovelace
- Nestor Paiva - Padre Emiliano
- Nestor Paiva - Dr. Gonzales
- Shuji J. Nozawa - Mr. Chen
- Don Rickles - Lou Kronkeit
- Don Rickles - Swifty Piedmont
- Don Rickles - Frank Cross
- Joan Caulfield - Betty Techman
- Joan Caulfield - Psyche Jones
- Joan Caulfield - Alexis Raff
- Bartlett Robinson - Gentleman
- Bartlett Robinson - Robert Benbow
- Eddie Quillan - Elevator Starter
- Eddie Quillan - Mr. Jellybean
- Annette Funicello - Dorrie Marsh
- Annette Funicello - Anna Najensky
- Terry-Thomas - Arthur Shelby
- Terry-Thomas - Charlie Hill
- Terry-Thomas - Gideon Auerbach
- Edward Everett Horton - Wilbur Starlington
- Edward Everett Horton - Grover Leander Smith
- Louis Nye - James Stock
- Louis Nye - Hooper
- Robert Middleton - Jed Hawkes
- Robert Middleton - Ragnar Windsor
- Robert Middleton - Ezekiel Kindworth aka 'Rocky Mountain'
- Lola Albright - DeeDee Booker
- Lola Albright - Jennifer Carlisle
- Lola Albright - Eve Chapin
- Lola Albright - Miss. Peggy Frost
- Lola Albright - Shirley Mills
- Phil Harris - Rip Farley
- Phil Harris - Gus Watt
- Marilyn Maxwell - Eudora Carey
- Marilyn Maxwell - Maria Groovy
- Marlyn Mason - Girl
- Marlyn Mason - Marian Wagner
- Marlyn Mason - Maxine
- Ann Blyth - Deirdre DeMara
- Ann Blyth - Valerie
- Joyce Nizzari - Molly Baker
- Joyce Nizzari - Bit Girl
- Joyce Nizzari - Bunny (Tammy)
- Ed Begley - Alkali
- Ed Begley - James Littlefield
- Ed Begley - Morgus Ghoul
- Ed Begley - Bascule Doirot
- Anne Helm - Effie Mae Porter
- Anne Helm - Sable Delacroix
- Joe Higgins - Monty
- Joe Higgins - Charlie
- Fred Clark - Jackson Trade
- Fred Clark - 'Mac' McNulty
- Allyson Ames - Gal
- Allyson Ames - Blonde (Southern Girl)
- Allyson Ames - Miss Halsey
- Ruta Lee - Margot Davis
- Ruta Lee - Ulla Swenson
- Ruta Lee - Laura Jean
- Susanne Cramer - Cindy
- Susanne Cramer - Elsa Werner
- Terry Moore - Sarah Kingston
- Terry Moore - Nikki Manners
- Terry Moore - Felice Knight
- Phil Arnold - Billy, Little Guy
- Phil Arnold - Barney
- Phil Arnold - Harry
- Barbara Eden - Marni Lee
- Barbara Eden - Sylvia Hanson
- Barbara Eden - Linda Murray
- Barbara Eden - Vanessa Barrett
- Cesar Romero - Louis Simone
- Cesar Romero - Gregorio Jonas
- Cesar Romero - Police Chief Alvaro
- Cesar Romero - Antonio Cardoza
- Cesar Romero - Marcus DeGrute
- Mary Ann Mobley - Sugar
- Mary Ann Mobley - Teri
- Mary Ann Mobley - Denise
- Mary Ann Mobley - Cindy
- Mary Ann Mobley - Girl
- Claire Kelly - Samantha
- Claire Kelly - Model
- Lisa Gaye - Samantha 'Sam' Scott
- Lisa Gaye - Florita Mendoza
- Milton Parsons - Jameson - the Butler
- Milton Parsons - Man
- Milton Parsons - T. Mena
- Milton Parsons - Butler
- Milton Parsons - Grippsholm
- Martha Hyer - Clarissa Montgomery
- Martha Hyer - Dr. Serena Standish
- Martha Hyer - Penny Allen
- Martha Hyer - Gloria Vickers
- Martha Hyer - Adrienne Shelton
- Martha Hyer - Jerri Vaughn
- Paul Richards - The Great Grindle
- Paul Richards - Lennie 'Leonardo' Krull
- Jack Weston - Gogi Zito
- Jack Weston - Silly McCree
- Nick Adams - Sonny 'Sundance' Dancer
- Nick Adams - Max the Mysterious
- Nick Adams - Charlie Vaughn
- Nick Adams - Harold Ormsby
- Nick Adams - Clayton Newman
- Nehemiah Persoff - Jason Flonder
- Nehemiah Persoff - Albert Indigo, 'Mr. I'
- Nehemiah Persoff - Wilhelm Kasimer
- Alvy Moore - Ralph Kelso
- Alvy Moore - Photographer
- Alvy Moore - Herbert
- Alvy Moore - Arnie
- Alvy Moore - Spiegel
- Kevin McCarthy - Bill Adams
- Kevin McCarthy - Chukker Curtis
- Kevin McCarthy - Elliott Dunning
- Edgar Bergen - Horton Galbraith
- Edgar Bergen - George Smith
- Edgar Bergen - Clyde Olsen
- John Cassavetes - Eddie Dineen
- John Cassavetes - Alfred Algernon
- John Cassavetes - Carlos de Vega
- John Cassavetes - Stephen Collins
- Hans Conried - Dr. Bing
- Hans Conried - Leonid Borodny
- Hans Conried - Pepe Van Heller
- Francine York - Vanya
- Francine York - Francesca
- Francine York - Liz
- Francine York - Cleo Fitzgerald
- Francine York - Nurse
- Army Archerd - Army Archerd
- Army Archerd - Reporter
- Army Archerd - Father
- Army Archerd - Press Secretary
- Anne Francis - Honey West
- Anne Francis - Suzanne Foster
- Diane McBain - Lana De Armand
- Diane McBain - Xenobia
- Diane McBain - Susan Shaw
- Diane McBain - Cissy Davenport DeWitt
- Alan Caillou - Jamieson Willowby
- Alan Caillou - Manager
- Vaughn Taylor - Ben Schneider
- Vaughn Taylor - Mr. Moody
- Michael Fox - Coroner George McLeod
- Michael Fox - Lab Man
- Michael Fox - McLoud
- Michael Fox - Technician
- Bonnie Beecher - Bunny
- Lynette Bernay - Teresa Rao
- Lynette Bernay - Girl
- Janet Clark - Matronly Art Lover
- Harry Harvey - Bank Guard
- Paul Sorensen - Frank Willard
- Paul Sorensen - Lead Cop in Raid
- James Drake - Man
- Sol Gorss - Bouncer (uncredited)
- Eric Feldary - Thanda
- Lovyss Bradley - Hotel Guest (uncredited)
- Peter Mamakos - Carlos Delgado
- Michael St. Clair - Volkers
- Herschel Graham - Club Patron (uncredited)
- Troy Melton - Taylor
- John Saxon - Bud Charney
- Aaron Spelling
Ricardo Montalban hace el papel de Armand Dubovier.
Cesar Romero hace el papel de Police Chief Alvaro.
Jay C. Flippen hace el papel de Lieutenant Grogan.
Elisha Cook Jr. hace el papel de Wyatt.
John Qualen interpreta a Richard Prince en la serie.
Leonid Kinskey interpreta a Juan Bagulesco en la serie.
Gladys Cooper interpreta a Harriet Richards en la serie.
Percy Helton interpreta a Hudkins en la serie.
Vaughn Taylor interpreta a Mr. Moody en la serie.
Josephine Hutchinson interpreta a Madeline Vickers en la serie.
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