Leo Gorcey

Muggs McGinnis

Bobby Jordan

Danny Breslin

Huntz Hall

Limpy

Warren Hull

Officer Tom Brady

Charlotte Henry

Mary Breslin

Keye Luke

Clancy

Donald Haines

Skinny, red-haired kid

Sunshine Sammy Morrison

Scruno

David Gorcey

PeeWee

Martha Wentworth

Mrs. Brady

Jack Mulhall

Cop at Prizefight with the Lieutenant

Dennis Moore

Dorgan

Minerva Urecal

Head of Reform School (uncredited)

Jack Chefe

Henchman Nick (uncredited)