The East Side Kids discover that one of their own, Danny, is torn between staying in school and becoming a boxer, and is getting mixed up with gangsters.
as Muggs McGinnis
as Danny Breslin
as Limpy
as Officer Tom Brady
as Mary Breslin
as Clancy
as Monk Martin
as Skinny, red-haired kid
as Scruno
as PeeWee
as Mrs. Brady
as Cop at Prizefight with the Lieutenant
as Slats Morrison
as Dorgan
as Henchman Dutch
as Muggs' Trainer
as Police Lieutenant
as Johnny Ryan, Muggs' opponent (uncredited)
as Head of Reform School (uncredited)
as Henchman Nick (uncredited)
as Milkman George (uncredited)
