Slip and Sach take the rap for a robbery they did not commit in order to uncover the real robbers, whom they suspect are led by a convict who gives orders to his gang outside via a short-wave radio stashed somewhere in the prison.
Leo Gorcey
Slip Mahoney
Huntz Hall
Horace Debussy 'Sach' Jones
G. Pat Collins
Bat Armstrong
Effie Laird
Ma Armstrong
Bernard Gorcey
Louie Dumbrowsky
William Benedict
Whitey, Bowery Boy
David Gorcey
Bowery Boy #4, dark-haired
Buddy Gorman
Bowery Boy #5, slender
