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