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