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