| Person | Type | Job | Role(s) |
|---|---|---|---|
 Adolph Deutsch | Crew | Sound | Original Music Composer |
 Al Alleborn | Crew | Production | Unit Manager |
 Arthur Edeson | Crew | Camera | Director of Photography |
Arthur Lange | Crew | Sound | Orchestrator |
 Dashiell Hammett | Crew | Writing | Novel |
Frank McCoy | Crew | Costume & Make-Up | Makeup Artist |
 Hal B. Wallis | Crew | Production | Executive Producer |
 Henry Blanke | Crew | Production | Associate Producer |
Jack Sullivan | Crew | Directing | Assistant Director |
 John Huston | Crew | Writing | Screenplay, Director |
 Leo F. Forbstein | Crew | Sound | Music Director |
Oliver S. Garretson | Crew | Sound | Sound |
 Orry-Kelly | Crew | Costume & Make-Up | Costume Design |
Perc Westmore | Crew | Costume & Make-Up | Makeup Artist |
 Robert Foulk | Crew | Crew | Dialogue Coach |
Robert M. Haas | Crew | Art | Art Direction |
Thomas Richards | Crew | Editing | Editor |
Jean Udko | Crew | Costume & Make-Up | Hairstylist |
John Prettyman | Crew | Directing | Second Assistant Director |
Mike Joyce | Crew | Camera | Camera Operator |
Louis Kaufman | Crew | Sound | Musician |
John Gilbert Kissel | Crew | Art | Props |
Wally Meinardus | Crew | Camera | Assistant Camera |
Claude Archer | Crew | Directing | Assistant Director |
 Eugene Joseff | Crew | Costume & Make-Up | Other |
 Barton MacLane | Cast | Actor | Lt. of Detectives Dundy |
 Charles Drake | Cast | Actor | Reporter (uncredited) |
 Chester Gan | Cast | Actor | Bit Part (uncredited) |
 Creighton Hale | Cast | Actor | Stenographer (uncredited) |
 Elisha Cook Jr. | Cast | Actor | Wilmer Cook |
 Emory Parnell | Cast | Actor | Ship's Mate (uncredited) |
 Gladys George | Cast | Actress | Iva Archer |
 Hank Mann | Cast | Actor | Reporter (uncredited) |
 Humphrey Bogart | Cast | Actor | Samuel Spade |
 Jack Mower | Cast | Actor | Announcer (uncredited) |
 James Burke | Cast | Actor | Luke |
 Jerome Cowan | Cast | Actor | Miles Archer |
 John Hamilton | Cast | Actor | District Attorney Bryan |
 Lee Patrick | Cast | Actress | Effie Perine |
 Mary Astor | Cast | Actress | Brigid O'Shaughnessy |
 Murray Alper | Cast | Actor | Frank Richman |
 Peter Lorre | Cast | Actor | Joel Cairo |
 Robert Homans | Cast | Actor | Policeman (uncredited) |
 Sydney Greenstreet | Cast | Actor | Kasper Gutman |
 Walter Huston | Cast | Actor | Captain Jacoby (uncredited) |
 Ward Bond | Cast | Actor | Det. Tom Polhaus |
 William Hopper | Cast | Actor | Reporter (uncredited) |
| Person | Type | Job | Role(s) |
