| Person | Type | Job | Role(s) |
|---|---|---|---|
 Al Martin | Crew | Writing | Screenplay |
Dan Milner | Crew | Editing | Editor |
Ed W. Rote | Crew | Production | Production Manager |
Fred Preble | Crew | Art | Settings |
Hans Weeren | Crew | Sound | Sound |
Robert F. Hill | Crew | Directing | Director |
William Hyer | Crew | Camera | Director of Photography |
Arthur Thalasso | Cast | Actor | Coroner (uncredited) |
 Blackie Whiteford | Cast | Actor | Fight Second (uncredited) |
 Donald Kerr | Cast | Actor | The Sportscaster (uncredited) |
 Dorothy Vernon | Cast | Actress | Waitress at Tea Room (uncredited) |
 Edward Nugent | Cast | Actor | Gene Harris |
 Forrest Taylor | Cast | Actor | George Miller |
 Fred Parker | Cast | Actor | Arena Watchman (uncredited) |
 Jack Cheatham | Cast | Actor | Cop (uncredited) |
 Joan Barclay | Cast | Actress | Mary Comstock |
John Cowell | Cast | Actor | Graham - Murphy's Manager |
 John Elliott | Cast | Actor | The Police Captain |
 Lloyd Ingraham | Cast | Actor | The Prison Warden (uncredited) |
 Lucille Lund | Cast | Actress | Claire Thomas |
 Martha Wentworth | Cast | Actress | Mrs. Murphy (uncredited) |
 Monte Blue | Cast | Actor | Bert McNamee |
 Murdock MacQuarrie | Cast | Actor | Fight Fan (uncredited) |
Pat McKee | Cast | Actor | Prison Fight Ring Opponent (uncredited) |
 Richard Cramer | Cast | Actor | Ring Announcer / Prison Guard (uncredited) |
 Syd Saylor | Cast | Actor | Dave Moran |
Vane Calvert | Cast | Actress | Waitress (uncredited) |
Willard Kent | Cast | Actor | Veterinarian |
 William McCall | Cast | Actor | Prison Inmate (uncredited) |
Corky | Cast | Babe, Gene's Dog | |
 Walter O'Keefe | Cast | Actor | John Halligan - Referee |
| Person | Type | Job | Role(s) |
