| Person | Type | Job | Role(s) |
|---|---|---|---|
 Arthur Morton | Crew | Sound | Original Music Composer |
Charles Lang | Crew | Camera | Director of Photography |
Charles Nelson | Crew | Editing | Editor |
Clay Campbell | Crew | Costume & Make-Up | Makeup Artist |
 Fritz Lang | Crew | Directing | Director |
George Cooper | Crew | Sound | Sound Engineer |
Helen Hunt | Crew | Costume & Make-Up | Hairstylist |
Henry Vars | Crew | Sound | Original Music Composer |
 Jean Louis | Crew | Costume & Make-Up | Costume Design |
Milton Feldman | Crew | Directing | Assistant Director |
Mischa Bakaleinikoff | Crew | Sound | Music Director |
Robert Arthur | Crew | Production | Producer |
Robert Peterson | Crew | Art | Art Direction |
 Sydney Boehm | Crew | Writing | Screenplay |
William Kiernan | Crew | Art | Set Decoration |
William P. McGivern | Crew | Writing | Original Story |
 Adam Williams | Cast | Actor | Larry Gordon |
Al Eben | Cast | Actor | Harry Shoenstein (uncredited) |
 Alexander Scourby | Cast | Actor | Mike Lagana |
 Carolyn Jones | Cast | Actress | Doris |
 Celia Lovsky | Cast | Actress | Lagana's Mother in Portrait (uncredited) |
 Charles Cane | Cast | Actor | Police Guard Outside Lagana Home (uncredited) |
 Chris Alcaide | Cast | Actor | George Rose |
 Dan Seymour | Cast | Actor | Mr. Atkins |
 Donald Kerr | Cast | Actor | Cabby (uncredited) |
 Dorothy Green | Cast | Actress | Lucy Chapman |
Douglas Evans | Cast | Actor | Councilman Gillen (uncredited) |
 Edith Evanson | Cast | Actress | Selma Parker |
Ezelle Poule | Cast | Actress | Mrs Tucker (uncredited) |
Fritz Ford | Cast | Actor | Sailor (uncredited) |
 Glenn Ford | Cast | Actor | Det. Sgt. Dave Bannion |
 Gloria Grahame | Cast | Actress | Debby Marsh |
 Harry Lauter | Cast | Actor | Hank O'Connell (uncredited) |
 Herbert Lytton | Cast | Actor | Martin (uncredited) |
 Howard Wendell | Cast | Actor | Police Commissioner Higgins |
 Jeanette Nolan | Cast | Actress | Bertha Duncan |
 Jocelyn Brando | Cast | Actress | Katie Bannion |
John Close | Cast | Actor | Policeman (uncredited) |
 John Crawford | Cast | Actor | Al - Bannion's Brother-in-Law (uncredited) |
 John Doucette | Cast | Actor | Mark Reiner (uncredited) |
 John Merton | Cast | Actor | Man (uncredited) |
 Joseph Mell | Cast | Actor | Medical Examiner (uncredited) |
Laura Mason | Cast | Actress | B-Girl (uncredited) |
 Lee Marvin | Cast | Actor | Vince Stone |
Linda Bennett | Cast | Actress | Joyce Bannion (uncredited) |
 Lyle Latell | Cast | Actor | Moving Man (uncredited) |
 Michael Granger | Cast | Actor | Hugo |
 Michael Jeffers | Cast | Actor | Retreat Patron (uncredited) |
 Michael Ross | Cast | Actor | Segal (uncredited) |
Mike Mahoney | Cast | Actor | Dixon (uncredited) |
Norma Randall | Cast | Jill (uncredited) | |
Patrick Miller | Cast | Intern (uncredited) | |
 Paul Maxey | Cast | Actor | George Fuller (uncredited) |
 Peter Whitney | Cast | Actor | Tierney |
 Phil Arnold | Cast | Actor | Retreat Waiter (uncredited) |
 Phil Chambers | Cast | Actor | Hettrick (uncredited) |
 Ric Roman | Cast | Actor | Baldy |
 Robert Burton | Cast | Actor | Det. Gus Burke |
 Robert Stevenson | Cast | Actor | Bill Rutherford (uncredited) |
Sidney Clute | Cast | Actor | Retreat Bartender (uncredited) |
 Ted Stanhope | Cast | Actor | Lagana's Butler (uncredited) |
 William Murphy | Cast | Actor | Reds (uncredited) |
William Vedder | Cast | Actor | Janitor (uncredited) |
 Willis Bouchey | Cast | Actor | Lt. Ted Wilks |
 Byron Kane | Cast | Actor | Police Surgeon (uncredited) |
| Person | Type | Job | Role(s) |
