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.
Slip Mahoney
Horace Debussy 'Sach' Jones
Bat Armstrong
Louie Dumbrowsky
Whitey, Bowery Boy
Bowery Boy #4, dark-haired
Warden Burnside
Skeets O'Neil