Edward G. Robinson
Theo Wilkins
Rod Steiger
Paul Mason
Joan Collins
Melanie
Eli Wallach
Poncho
Alexander Scourby
Raymond Le May
Michael Dante
Louis Antonizzi
Berry Kroeger
Hugo Baumer
Sebastian Cabot
Director of Casino
Marcel Hillaire
Duc di Salins
John Beradino
Chief of Detectives
Bess Flowers
Lady at Casino Party
Ida Augustian
Claire
Frank Baker
Casino Patron
Alex Ball
Guest at Ball
Herman Belmonte
Guest at Ball
Eugene Borden
Customs Inspector
Chet Brandenburg
Club Patron
Alan Caillou
Doctor Gerald Halsey
Peter Camlin
Bartender
Steve Carruthers
Guest at Ball
Jack Chefe
Ball Dance Participant
Oliver Cross
Guest at Ball
Marcel De La Brosse
French Waiter
Jack Deery
Casino Patron
Marga Ann Deighton
Governor's Wife
Jean Del Val
Roulette Croupier
George DeNormand
Guest at Ball
Adolph Faylauer
Casino Patron
George Ford
Casino Patron
Kenneth Gibson
Casino Patron
James Gonzalez
Guest at Ball
Herschel Graham
Casino Patron
Sam Harris
Guest at Ball
Lars Hensen
Minor Role (uncredited)
Shep Houghton
Casino Patron (uncredited)
Jonathan Kidd
Seymour (uncredited)
Joseph La Cava
Croupier (uncredited)
Donald Lawton
Henri (uncredited)
Eddie Le Baron
Chemin de fer Dealer (uncredited)
Alphonse Martell
Governor (uncredited)
Luis Mata Jr.
Sandy (uncredited)
Louis Mercier
Casino Attendant (uncredited)
Harold Miller
Casino Patron (uncredited)
King Mojave
Guest at Ball (uncredited)
Forbes Murray
Guest at Ball (uncredited)
George Nardelli
Cellar Club Manager (uncredited)
Monty O'Grady
Casino Patron (uncredited)
Andre Philippe
Page (uncredited)
Francis Ravel
Casino Attendant (uncredited)
Tony Regan
Floorman (uncredited)
Leoda Richards
Casino Patron (uncredited)
Joseph Romantini
Barkeep (uncredited)
Jerry Rush
Casino Patron (uncredited)
Cosmo Sardo
Casino Stickman (uncredited)
Jeffrey Sayre
Croupier (uncredited)
Bernard Sell
Casino Patron (uncredited)
Hal Taggart
Casino Patron (uncredited)
Sydney Boehm
Producer
Dominic Frontiere
Original Music Composer
Dorothy Spencer
Editor
Max Catto
Novel
Sam Leavitt
Director of Photography
Sydney Boehm
Screenplay
Henry Hathaway
Director
Stuart A. Reiss
Set Decoration
John DeCuir
Art Direction
Myrl Stoltz
Hairstylist
Bill Thomas
Costume Design
Edward B. Powell
Orchestrator
Ad Schaumer
Assistant Director
Ben Nye
Makeup Artist
Charles Peck
Sound
Lyle R. Wheeler
Art Direction
Walter M. Scott
Set Decoration
Harry M. Leonard
Sound