| Person | Type | Job | Role(s) |
|---|---|---|---|
 Chester W. Schaeffer | Crew | Editing | Editor |
Clarence Greene | Crew | Production | Producer |
Daniel Mainwaring | Crew | Writing | Screenplay |
Darrell Silvera | Crew | Art | Set Decoration |
 Don Siegel | Crew | Directing | Director |
 Ernest Hemingway | Crew | Writing | Novel |
Hal Mohr | Crew | Camera | Director of Photography |
Howard Richmond | Crew | Art | Art Direction |
 Leith Stevens | Crew | Sound | Original Music Composer |
Paul Monash | Crew | Writing | Screenplay |
 Audie Murphy | Cast | Actor | Sam Martin |
 Billy Wayne | Cast | Actor | Dice Table Croupier (uncredited) |
 Carlos Romero | Cast | Actor | Carlos Contreras |
 Eddie Albert | Cast | Actor | Hanagan |
 Edward Colmans | Cast | Actor | Juan |
 Everett Sloane | Cast | Actor | Harvey |
 Gita Hall | Cast | Actress | Eva |
 Herb Vigran | Cast | Actor | Freddy (uncredited) |
Jack Daly | Cast | Actor | Detective (uncredited) |
 Jack Elam | Cast | Actor | Arnold |
 Joel Marston | Cast | Actor | Palm Reader (uncredited) |
 John A. Alonzo | Cast | Actor | Soldier in Car (uncredited) |
 John Qualen | Cast | Actor | Pop |
 Larry Taylor | Cast | Actor | |
 Larry Thor | Cast | Actor | Captain (uncredited) |
 Lee Strasberg | Cast | Actor | Rhett |
 Patricia Owens | Cast | Actress | Lucy Martin |
 Paul Birch | Cast | Actor | Sy Phillips |
 Peggy Maley | Cast | Actress | Blonde Barfly (uncredited) |
 Richard Jaeckel | Cast | Actor | Blond Henchman on Boat |
 Roy Engel | Cast | Actor | Caz (uncredited) |
 Steve Carruthers | Cast | Actor | Gambler (uncredited) |
Ted Jacques | Cast | Actor | U.S. Coast Guard Commander Walsh (uncredited) |
Tom Greenway | Cast | Actor | Deputy (uncredited) |
Tony Dantes | Cast | Gambler (uncredited) | |
Stephen Peck | Cast | Pepito | |
Joey Ray | Cast | Actor | Dice Player (uncredited) |
Lita Leon | Cast | Pepita (uncredited) | |
Freddie Roberto | Cast | Actor | Berenguer (uncredited) |
| Person | Type | Job | Role(s) |
