| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur Hornblow Jr. | Crew | Production | Producer |
 Ben Maddow | Crew | Writing | Screenplay |
 Cedric Gibbons | Crew | Art | Art Direction |
 Douglas Shearer | Crew | Sound | Recording Supervision |
 Edwin B. Willis | Crew | Art | Set Decoration |
Eugene Zador | Crew | Sound | Orchestrator |
George Boemler | Crew | Editing | Editor |
 Harold Rosson | Crew | Camera | Director of Photography |
Jack D. Moore | Crew | Art | Set Decoration |
 Jack Dawn | Crew | Costume & Make-Up | Makeup Designer |
Jack Greenwood | Crew | Directing | Assistant Director |
 John Huston | Crew | Writing | Screenplay, Director, Producer |
Lee Katz | Crew | Production | Production Manager |
 Leslie H. Martinson | Crew | Directing | Script Supervisor |
 Miklós Rózsa | Crew | Sound | Original Music Composer |
Randall Duell | Crew | Art | Art Direction |
Robert B. Lee | Crew | Sound | Sound |
Robert Martin | Crew | Camera | Camera Operator |
S.C. Manatt | Crew | Camera | Still Photographer |
 Sydney Guilaroff | Crew | Costume & Make-Up | Hair Designer |
 W.R. Burnett | Crew | Writing | Novel |
John Truwe | Crew | Costume & Make-Up | Makeup Artist |
Frank E. Myers | Crew | Directing | Assistant Director |
Frank Wesselhoff | Crew | Art | Painter |
Elaine Ramsey | Crew | Costume & Make-Up | Hairstylist |
Lloyd Isbell | Crew | Camera | Grip |
Lou LaCava | Crew | Costume & Make-Up | Makeup Artist |
Joan Joseff | Crew | Costume & Make-Up | Other |
Andrew J. McIntyre | Crew | Camera | Assistant Camera |
John Banse | Crew | Directing | Script Supervisor |
P.R. Keeler | Crew | Lighting | Gaffer |
 Alberto Morin | Cast | Actor | Eddie Donato (uncredited) |
 Alex Gerry | Cast | Actor | Maxwell (uncredited) |
 Anthony Caruso | Cast | Actor | Louis Ciavelli |
 Barry Kelley | Cast | Actor | Lt. Ditrich |
Benny Burt | Cast | Taxi Driver (uncredited) | |
 Brad Dexter | Cast | Actor | Bob Brannom |
 Charles Sherlock | Cast | Actor | Gambler (uncredited) |
 Chet Brandenburg | Cast | Actor | Man at Line-Up (uncredited) |
 Chuck Courtney | Cast | Actor | Red (Boy in Diner) (uncredited) |
 David Bond | Cast | Actor | Father Sortine (uncredited) |
 David Clarke | Cast | Actor | Mr. Atkinson (Railroad Man) (uncredited) |
 Don Haggerty | Cast | Actor | Det. Andrews (uncredited) |
 Dorothy Tree | Cast | Actress | May Emmerich |
 Eloise Hardt | Cast | Actress | Vivian (uncredited) |
 Frank Cady | Cast | Actor | Night Clerk (uncredited) |
 Fred Graham | Cast | Actor | Truck Driver (uncredited) |
 Gene Coogan | Cast | Actor | Reporter (uncredited) |
 Gene Evans | Cast | Actor | Policeman at Ciavelli's Apartment (uncredited) |
 George Lynn | Cast | Actor | Detective at Ciavelli's Apartment (uncredited) |
 Harlan Warde | Cast | Actor | Reporter (uncredited) |
Harry Cody | Cast | Gambler (uncredited) | |
 Helene Stanley | Cast | Actress | Jeannie (Girl in Diner) (uncredited) |
 Henry Corden | Cast | Actor | Karl Anton Smith (uncredited) |
 Henry Rowland | Cast | Actor | Frank Schurz (Doc's Taxi Driver) (uncredited) |
J. Lewis Smith | Cast | Gambler (uncredited) | |
Jack Shea | Cast | Actor | Policeman (uncredited) |
 Jack Warden | Cast | Actor | Man (uncredited) |
 James Seay | Cast | Actor | Officer Janocek (uncredited) |
 James Whitmore | Cast | Actor | Gus Minissi |
 Jean Hagen | Cast | Actress | Doll Conovan |
 Jeff York | Cast | Actor | Policeman (uncredited) |
 John Cliff | Cast | Actor | Policeman (uncredited) |
 John Crawford | Cast | Actor | Reporter (uncredited) |
 John Maxwell | Cast | Actor | Dr. Swanson |
 John McIntire | Cast | Actor | Police Commissioner Hardy |
 Judith Wood | Cast | Actress | Woman (uncredited) |
 Louis Calhern | Cast | Actor | Alonzo D. Emmerich |
Mack Chandler | Cast | Actor | Gambler (uncredited) |
 Marc Lawrence | Cast | Actor | Cobby |
 Marilyn Monroe | Cast | Actress | Angela Phinlay |
 Mary Anderson | Cast | Actress | Police Broadcaster (voice) (uncredited) |
 Pat Flaherty | Cast | Actor | Policeman (uncredited) |
Patricia Miller | Cast | Girl (uncredited) | |
 Ralph Dunn | Cast | Actor | Policeman (uncredited) |
Ralph Montgomery | Cast | Actor | Counterman (uncredited) |
 Ray Bennett | Cast | Actor | Detective in Hardy's Office (uncredited) |
 Ray Teal | Cast | Actor | Cop in Car Barn Slugged by Dix (uncredited) |
 Raymond Roe | Cast | Actor | Tallboy (uncredited) |
 Sam Jaffe | Cast | Actor | Doc Erwin Riedenschneider |
 Sol Gorss | Cast | Actor | Policeman (uncredited) |
 Sterling Hayden | Cast | Actor | Dix Handley |
 Strother Martin | Cast | Actor | William Doldy (uncredited) |
 Teresa Celli | Cast | Actress | Maria Ciavelli |
 Thomas Browne Henry | Cast | Actor | James X. Connery (uncredited) |
 Tim Ryan | Cast | Actor | Jack (Police Clerk) (uncredited) |
Victor Wood | Cast | Evans (uncredited) | |
Wesley Hopper | Cast | Policeman (uncredited) | |
 William 'Wee Willie' Davis | Cast | Actor | Timmons |
William Washington | Cast | Suspect (uncredited) | |
Wilson Wood | Cast | Actor | Man (uncredited) |
 Howard M. Mitchell | Cast | Actor | Secretary (uncredited) |
Jean Carter | Cast | Woman (uncredited) | |
Constance Weiler | Cast | Woman (uncredited) | |
Fred Marlow | Cast | Reporter (uncredited) | |
Kerry O'Day | Cast | Girl (uncredited) | |
Joseph Darr Smith | Cast | Reporter (uncredited) | |
J.J. Smith | Cast | Police Broadcaster (voice) (uncredited) | |
Leah Wakefield | Cast | Girl (uncredited) | |
| Person | Type | Job | Role(s) |
