Slip Mahoney
Sach
Gabe Moreno
Johnny Higgins
Blinky Harris
Whitey
Chuck
Butch
Dynamite Carson, the Champ
Bunny Talbot (as Evelynn Eaton)
Louie
Boomer Higgins
Lefty Conlin
Mrs. Higgins
Bill Radar, Sportscaster
Fighter Joey Prince
Editor
Boxing Commissioner