| Person | Type | Job | Role(s) |
|---|---|---|---|
 Don Malkames | Crew | Camera | Director of Photography |
Edward J. Danziger | Crew | Production | Producer |
 Fletcher Markle | Crew | Directing | Director, Screenplay |
Harry Lee Danziger | Crew | Production | Producer |
John Roeburt | Crew | Writing | Story |
Robert W. Stringer | Crew | Sound | Original Music Composer |
Sal Scoppa Jr. | Crew | Directing | Assistant Director |
Vincent McConnor | Crew | Writing | Screenplay |
Robert Matthews | Crew | Editing | Editor |
William L. Nemeth | Crew | Production | Unit Manager |
 Alexander Lockwood | Cast | Actor | Nichols |
 Burgess Meredith | Cast | Actor | Jack - Bartender (uncredited) |
 Doe Avedon | Cast | Actress | Caroline Riggs |
 Everett Sloane | Cast | Actor | Sam - Milkman (uncredited) |
Fletcher Markle | Cast | Actor | Nightclub Patron (uncredited) |
 Franchot Tone | Cast | Actor | Howard Malloy |
George Breen | Cast | Knuckles | |
Hedley Rainnie | Cast | Sigmund Kosterich | |
 Henry Fonda | Cast | Actor | Nightclub Waiter (uncredited) |
Hester Sondergaard | Cast | Mrs. Borg | |
 Jean Wallace | Cast | Actress | Barbara Whitfield |
 John Garfield | Cast | Actor | Loafer with Newspaper (uncredited) |
Leonard Lyons | Cast | Newspaper Columnist (uncredited) | |
 Luella Gear | Cast | Actress | Pet Shop Owner |
 Marc Lawrence | Cast | Actor | Angelo Agostini |
 Marlene Dietrich | Cast | Actress | Nightclub Patron (uncredited) |
 Marsha Hunt | Cast | Actress | Mrs. Hartley's Secretary (uncredited) |
 Myron McCormick | Cast | Actor | Charles Riggs |
 Robert Gist | Cast | Actor | Tommy Quigley |
Robert Noe | Cast | Waldron | |
Walter Vaughan | Cast | District Attorney Walker | |
Winifred Lenihan | Cast | Actress | Mrs. Hartley |
Brenda Frazier | Cast | Nightclub Patron (uncredited) | |
 Alexander Campbell | Cast | Actor | Pemberton |
Alan MacAteer | Cast | Actor | Museum Guard |
| Person | Type | Job | Role(s) |
