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