| Person | Type | Job | Role(s) |
|---|---|---|---|
 Floyd Crosby | Crew | Camera | Director of Photography |
Gene Corman | Crew | Production | Producer |
Joseph Hilton Smyth | Crew | Writing | Novel |
 Roger Corman | Crew | Directing | Director, Producer |
Steve Fisher | Crew | Writing | Writer |
William B. Murphy | Crew | Editing | Editor |
 Bert Stevens | Cast | Actor | Senator at Hearing (uncredited) |
 Brad Morrow | Cast | Actor | Cherry Nose Sirago (young) (uncredited) |
 Bruno VeSota | Cast | Actor | Bruno - Nightclub Manager (uncredited) |
 Celia Lovsky | Cast | Actress | Mrs. Sante |
 Charles Evans | Cast | Actor | Committee Chairman (uncredited) |
 Cosmo Sardo | Cast | Actor | Johnny (uncredited) |
 Ed Nelson | Cast | Actor | Sid - Henchman (uncredited) |
 Eddie Baker | Cast | Actor | Labor Union Boss (uncredited) |
 Frank Gerstle | Cast | Actor | District Attorney |
 Frank Wolff | Cast | Actor | Man (uncredited) |
 George Cisar | Cast | Actor | Cab Driver (uncredited) |
 Grant Withers | Cast | Actor | Paul Moran |
Hans Moebus | Cast | Actor | Party Guest (uncredited) |
 Harold Miller | Cast | Actor | Senator at Hearing (uncredited) |
 John Brinkley | Cast | Actor | Ernie Porter |
 John Dennis | Cast | Actor | Murder Inc. Man (uncredited) |
 John Mylong | Cast | Actor | Papa Sante (uncredited) |
 Kenner G. Kemp | Cast | Actor | Nightclub Patron (uncredited) |
 Lili St. Cyr | Cast | Actress | Herself, Lili St. Cyr |
 Lita Milan | Cast | Actress | Teresa Porter |
 Michael Jeffers | Cast | Actor | Syndicate Member (uncredited) |
 Robert Shayne | Cast | Actor | Senator |
 Robert Strauss | Cast | Actor | Black Frankie Udino |
 Ron Soble | Cast | Actor | Al - Henchman (uncredited) |
 Stephen Chase | Cast | Actor | Mr. Stephens (uncredited) |
 Steve Cochran | Cast | Actor | Joe Sante |
 Thomas Browne Henry | Cast | Actor | Udino's Attorney (uncredited) |
 Wally Cassell | Cast | Actor | Cherry Nose Sirago (adult) |
 Yvette Vickers | Cast | Actress | The Blonde |
Benjie Bancroft | Cast | Police Officer (uncredited) | |
| Person | Type | Job | Role(s) |
