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.
as Slip Mahoney
as Horace Debussy 'Sach' Jones
as Bat Armstrong
as Ma Armstrong
as Louie Dumbrowsky
as Whitey, Bowery Boy
as Bowery Boy #4, dark-haired
as Bowery Boy #5, slender
as Warden Burnside
as Skeets O'Neil
as Ma's Clean-shaven Henchman
as Ma's Henchman with Mustache
as Gabriel 'Gabe' Moreno
as Shirley O'Brien, Gabe's Secretary
as 'Hobo' Barton, convict
as Pretty Boy Gleason
as Benny the Blood (as Joseph Turkel)
as 'Squirrely' Davis, convict
as The Judge
as Officer Murphy
as Dialogue Cop Arresting the Boys
as Solitary Confinement Guard
as Prison Yard Guard
as Captain of the Guards
as Third Convict Calling Out from Cell
