| Person | Type | Job | Role(s) |
|---|---|---|---|
 Anatole Litvak | Crew | Directing | Director, Producer |
 Barré Lyndon | Crew | Writing | Theatre Play |
Carl Jules Weyl | Crew | Art | Art Direction |
Gilbert Miller | Crew | Production | Producer |
 Hal B. Wallis | Crew | Production | Executive Producer |
 Jack L. Warner | Crew | Production | Executive Producer |
 John Huston | Crew | Writing | Screenplay |
John Wexley | Crew | Writing | Screenplay |
 Max Steiner | Crew | Sound | Original Music Composer |
Milo Anderson | Crew | Costume & Make-Up | Wardrobe Supervisor |
Robert Lord | Crew | Production | Producer |
Tony Gaudio | Crew | Camera | Director of Photography |
Warren Low | Crew | Editing | Editor |
Al Lloyd | Cast | Actor | Sequin Hotel Desk Clerk (uncredited) |
 Allen Jenkins | Cast | Actor | Okay |
 Amzie Strickland | Cast | Actress | Patient (uncredited) |
Arthur Thalasso | Cast | Actor | Forensic (uncredited) |
 Bert Hanlon | Cast | Actor | Pat |
 Billy Wayne | Cast | Actor | Candy |
 Bob Reeves | Cast | Actor | Policeman (uncredited) |
Bruce Mitchell | Cast | Actor | Bailiff (uncredited) |
Bud Cokes | Cast | Actor | Courtroom Spectator (uncredited) |
 Claire Trevor | Cast | Actress | Jo Keller |
 Curt Bois | Cast | Actor | Rabbit |
 Donald Crisp | Cast | Actor | Police Inspector Lewis Lane |
 Earl Dwire | Cast | Actor | Surgeon (uncredited) |
 Edmund Mortimer | Cast | Actor | Guest (uncredited) |
 Edward G. Robinson | Cast | Actor | Dr. T.S. Clitterhouse |
 Edward Gargan | Cast | Actor | Police Sergeant (uncredited) |
Eric Stanley | Cast | Actor | Dr. Ames (uncredited) |
Frank Fanning | Cast | Fingerprint Expert (uncredited) | |
 Frank Reicher | Cast | Actor | Professor O.J. Ludwig (uncredited) |
 Gale Page | Cast | Actress | Nurse Randolph |
 Georgia Caine | Cast | Actress | Mrs. Frederick R. Updyke (uncredited) |
 Glen Cavender | Cast | Actor | Alarm Company Clerk (uncredited) |
Hal Craig | Cast | Actor | Detective Getting Rocks' Fingerprints (uncredited) |
 Hal K. Dawson | Cast | Actor | Pedestrian at Burglary Site (uncredited) |
 Henry O'Neill | Cast | Actor | Judge |
 Humphrey Bogart | Cast | Actor | 'Rocks' Valentine |
 Irving Bacon | Cast | Actor | Foreman of Jury |
 Jack Mower | Cast | Actor | Second Detective (uncredited) |
John Alban | Cast | Actor | Guest (uncredited) |
John Breen | Cast | Actor | Spectator at Robbery (uncredited) |
 John Harron | Cast | Actor | Alarm Company Operator (uncredited) |
 John Litel | Cast | Actor | Mr. Monroe, Prosecuting Attorney |
Ky Robinson | Cast | Third Detective (uncredited) | |
 Larry Steers | Cast | Actor | Guest (uncredited) |
 Libby Taylor | Cast | Actress | Mrs. Jefferson - Jo's Maid (uncredited) |
Loia Cheaney | Cast | Nurse Conner (uncredited) | |
 Mary Field | Cast | Actress | Millie - Mrs. Updyke's Maid (uncredited) |
 Maxie Rosenbloom | Cast | Actor | Butch |
Monte Vandergrift | Cast | First Detective - with Earphones (uncredited) | |
Ray Dawe | Cast | Policeman (uncredited) | |
 Robert Homans | Cast | Actor | Lt. Johnson |
 Romaine Callender | Cast | Actor | Roberts - Updyke's Butler (uncredited) |
 Ronald Reagan | Cast | Actor | Radio Announcer (voice) (uncredited) |
Ruth Robinson | Cast | Actress | Updyke's Guest (uncredited) |
 Sidney Bracey | Cast | Actor | Police Chemist (uncredited) |
 Thomas E. Jackson | Cast | Actor | Inspector Connors (uncredited) |
 Thurston Hall | Cast | Actor | Grant |
 Vera Lewis | Cast | Actress | Juror (uncredited) |
 Vladimir Sokoloff | Cast | Actor | Popus |
 Wade Boteler | Cast | Actor | Captain MacLevy (uncredited) |
 Ward Bond | Cast | Actor | Tug |
 William Haade | Cast | Actor | Mrs. Updyke's Watchman (uncredited) |
 William Worthington | Cast | Actor | Guest (uncredited) |
 Winifred Harris | Cast | Actress | Mrs. Ganswoort - Patient (uncredited) |
 Joyce Williams | Cast | Actress | Patricia (uncredited) |
 Mike Lally | Cast | Actor | Gambler (uncredited) |
J.C. Fowler | Cast | Gambler (uncredited) | |
Lawrence A. Williams | Cast | Juror (uncredited) | |
Frank Anthony | Cast | Gambler in Room 920 (uncredited) | |
| Person | Type | Job | Role(s) |
