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