| Person | Type | Job | Role(s) |
|---|---|---|---|
 Cedric Gibbons | Crew | Art | Art Direction |
 Charles E. Wallace | Crew | Sound | Sound |
 Douglas Shearer | Crew | Sound | Recording Supervision |
 Frances Marion | Crew | Writing | Writer |
Gordon Avil | Crew | Camera | Director of Photography |
 Harry Rapf | Crew | Production | Producer |
Hugh Wynn | Crew | Editing | Editor |
 Irving Thalberg | Crew | Production | Producer |
 King Vidor | Crew | Directing | Director, Producer |
Robert A. Golden | Crew | Directing | Assistant Director |
William Murray Weiss | Crew | Production | Producer |
Benjamin Thau | Crew | Production | Casting |
Wilbur Bradley | Crew | Camera | Assistant Camera |
 Andy Shuford | Cast | Actor | Boy at Racetrack (uncredited) |
Bob Perry | Cast | Actor | Referee (uncredited) |
Dan Tobey | Cast | Actor | Ring Announcer (uncredited) |
 Dell Henderson | Cast | Actor | The Doctor (uncredited) |
 Edward Brophy | Cast | Actor | Tim |
 Frank Hagney | Cast | Actor | Mexican Champ Manuel Quiroga (uncredited) |
 Hale Hamilton | Cast | Actor | Tony Carleton |
 Irene Rich | Cast | Actress | Linda Carleton |
 Jackie Cooper | Cast | Actor | Dink Purcell |
 Lee Phelps | Cast | Actor | Louie the Bartender (uncredited) |
 Marcia Mae Jones | Cast | Actress | Mary Lou Carleton |
 Roscoe Ates | Cast | Actor | Sponge |
 Tom McGuire | Cast | Actor | Los Angeles Promoter (uncredited) |
 Wallace Beery | Cast | Actor | Andy 'Champ' Purcell |
Dannie Mac Grant | Cast | Actor | Boy Taunting Dink (uncredited) |
Jesse Scott | Cast | Actor | Jonah |
| Person | Type | Job | Role(s) |
