Wallace Beery
Andy 'Champ' Purcell
Acting
Jackie Cooper
Dink Purcell
Acting
Irene Rich
Linda Carleton
Acting
Roscoe Ates
Sponge
Acting
Edward Brophy
Tim
Acting
Hale Hamilton
Tony Carleton
Acting
Jesse Scott
Jonah
Acting
Marcia Mae Jones
Mary Lou Carleton
Acting
Dannie Mac Grant
Boy Taunting Dink (uncredited)
Acting
Frank Hagney
Mexican Champ Manuel Quiroga (uncredited)
Acting
Dell Henderson
The Doctor (uncredited)
Acting
Tom McGuire
Los Angeles Promoter (uncredited)
Acting
Bob Perry
Referee (uncredited)
Acting
Lee Phelps
Louie the Bartender (uncredited)
Acting
Andy Shuford
Boy at Racetrack (uncredited)
Acting
Dan Tobey
Ring Announcer (uncredited)
Acting