| Person | Type | Job | Role(s) |
|---|---|---|---|
 Edward T. Lowe Jr. | Crew | Production | Producer |
Gerard Carbonara | Crew | Sound | Original Music Composer |
Hans Dreier | Crew | Art | Art Direction |
Harry Fischbeck | Crew | Camera | Director of Photography |
Horace McCoy | Crew | Writing | Screenplay |
 J. Edgar Hoover | Crew | Writing | Book |
Joe Lefert | Crew | Directing | Assistant Director |
John B. Goodman | Crew | Art | Art Direction |
 John Leipold | Crew | Sound | Original Music Composer |
Leo Shuken | Crew | Sound | Original Music Composer |
 Robert Florey | Crew | Directing | Director |
 William R. Lipman | Crew | Writing | Screenplay |
Harvey Johnston | Crew | Editing | Editor |
 Anthony Quinn | Cast | Actor | Francis 'Big Boy' Bradmore |
 Billy Lee | Cast | Jimmy Mattison | |
 Byron Foulger | Cast | Actor | Florist (uncredited) |
 Charlotte Wynters | Cast | Actress | Nellie |
 Eddie Marr | Cast | Actor | Edward 'Slim' Racky |
 Fay Helm | Cast | Actress | Rita Mattison |
 Gertrude Michael | Cast | Actress | Collette Menthe |
 Harry Shannon | Cast | Actor | Randall |
 Harvey Stephens | Cast | Actor | Bartley Hanford |
 Jack Carson | Cast | Actor | George Mattison |
 John Gallaudet | Cast | Actor | Edward Bradshaw (uncredited) |
 Joseph Crehan | Cast | Actor | Warden (uncredited) |
 Louise Beavers | Cast | Actress | Aunt Lindy |
 Lyle Talbot | Cast | Actor | Ross Waring |
 Marjorie Gateson | Cast | Actress | Mrs. Thorton Casserly |
 Morgan Wallace | Cast | Actor | Ben |
 Paul McGrath | Cast | Actor | Tyler Craden |
 Richard Carle | Cast | Actor | Gustav Kalkus |
 Richard Denning | Cast | Actor | Bruce Eaton |
 Robert Paige | Cast | Actor | Steve Eddson |
 Russell Hicks | Cast | Actor | U.S. District Court Judge |
 Virginia Dale | Cast | Actress | Enid Casserly |
Wilfred Roberts | Cast | Frank Preston | |
 William Henry | Cast | Actor | Scott Britton |
 Sonny Bupp | Cast | Actor | Bobby Mattison |
| Person | Type | Job | Role(s) |
