All Cast
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)