| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur Lange | Crew | Sound | Original Music Composer |
Charles Maxwell | Crew | Sound | Music |
Duncan Cramer | Crew | Art | Art Direction |
Frank McWhorter | Crew | Sound | Sound |
 Fritz Lang | Crew | Directing | Director |
Gene Fowler Jr. | Crew | Editing | Editor |
Harry Redmond Jr. | Crew | Crew | Special Effects |
 Hugo Friedhofer | Crew | Sound | Music |
J.H. Wallis | Crew | Writing | Novel |
Julia Heron | Crew | Art | Set Decoration |
Marjorie Fowler | Crew | Editing | Editor |
 Milton Krasner | Crew | Camera | Director of Photography |
Muriel King | Crew | Costume & Make-Up | Costume Design |
 Nunnally Johnson | Crew | Writing | Screenplay, Producer |
Paul K. Lerpae | Crew | Crew | Special Effects |
Paul Weatherwax | Crew | Editing | Editorial Coordinator |
Thomas Pratt | Crew | Editing | Additional Editing |
 Vernon L. Walker | Crew | Visual Effects | Visual Effects |
Richard Harlan | Crew | Directing | Assistant Director |
Harry Davis | Crew | Camera | Camera Operator |
Earl B. Mounce | Crew | Sound | Music |
Ed Henderson | Crew | Camera | Still Photographer |
 Alec Craig | Cast | Actor | Garage Man (uncredited) |
Alexander Pollard | Cast | William the Headwaiter (uncredited) | |
 Anne O'Neal | Cast | Actress | Mother by Elevator (uncredited) |
 Arthur Loft | Cast | Actor | Claude Mazard / Frank Howard / Charlie the Hatcheck Man |
 Arthur Space | Cast | Actor | Captain Kennedy (uncredited) |
 Bess Flowers | Cast | Actress | Bar Patron (uncredited) |
Brandon Beach | Cast | Actor | Man at Club (uncredited) |
 Charles Meakin | Cast | Man at Club (uncredited) | |
 Claire Carleton | Cast | Actress | Blonde (uncredited) |
 Dan Duryea | Cast | Actor | Heidt / Tim, the Doorman |
Dave Pepper | Cast | Actor | Club Member (uncredited) |
 Don Brodie | Cast | Actor | Onlooker at Gallery (uncredited) |
 Donald Kerr | Cast | Actor | First Elevator Operator (uncredited) |
 Dorothy Peterson | Cast | Actress | Mrs. Wanley |
 Eddy Chandler | Cast | Actor | Police Driver (uncredited) |
 Edmund Breon | Cast | Actor | Dr. Michael Barkstane |
 Edward G. Robinson | Cast | Actor | Professor Richard Wanley |
 Frances Morris | Cast | Actress | Stenographer (uncredited) |
Frank Dawson | Cast | Collins, the Steward | |
 Frank McLure | Cast | Actor | Elevator Operator (uncredited) |
 Frank Melton | Cast | Actor | Onlooker at Gallery (uncredited) |
 Frank Mills | Cast | Actor | Charlie the Garage Helper (uncredited) |
 Fred Graham | Cast | Actor | Motorcycle Cop (uncredited) |
Fred Hueston | Cast | Man at Club (uncredited) | |
Fred Rapport | Cast | Actor | Club Manager (uncredited) |
Freddie Chapman | Cast | Actor | Boy with Mother (uncredited) |
 George McFarland | Cast | Actor | Boy Scout who finds Mazard's Body (uncredited) |
Hal Craig | Cast | Actor | News Vendor (uncredited) |
 Harold Minjir | Cast | Actor | Man at Club (uncredited) |
 Harry Hayden | Cast | Actor | Pharmacist (uncredited) |
 Iris Adrian | Cast | Actress | Streetwalker (uncredited) |
Jack Gardner | Cast | Actor | Fred, the District Attorney's Chauffeur (uncredited) |
 Jack Gargan | Cast | Actor | Club Steward (uncredited) |
 Jack W. Johnston | Cast | Actor | Man at Club (uncredited) |
James Carlisle | Cast | Actor | Man at Club (uncredited) |
James Harrison | Cast | Actor | Club Steward (uncredited) |
 Joan Bennett | Cast | Actress | Alice Reed |
 Joe Devlin | Cast | Actor | Toll Collector on Henry Hudson Parkway (uncredited) |
 Larry Steers | Cast | Actor | Man at Club (uncredited) |
 Louis Payne | Cast | Actor | Man at Club (uncredited) |
 Ralph Dunn | Cast | Actor | Traffic Cop (uncredited) |
 Raymond Massey | Cast | Actor | Dist. Attorney Frank Lalor |
 Robert Blake | Cast | Actor | Dickie Wanley (uncredited) |
 Scott Seaton | Cast | Actor | Man at Club (uncredited) |
Sheldon Jett | Cast | Actor | Man at Club (uncredited) |
 Thomas E. Jackson | Cast | Actor | Inspector Jackson |
Tom Dillon | Cast | Actor | Police Officer Dillon (uncredited) |
Tom Hanlon | Cast | Radio Announcer (uncredited) | |
 Wedgwood Nowell | Cast | Actor | Man at Club (uncredited) |
 Wyndham Standing | Cast | Actor | Man at Club (uncredited) |
 Paul Bradley | Cast | Actor | Man at Club (uncredited) |
Anne Loos | Cast | Actress | Stenographer |
| Person | Type | Job | Role(s) |
