Leo Gorcey

as Slip Mahoney

Huntz Hall

as Sach, also called 'Chopper' McGee

John Ridgely

as 'Silky' Thomas

Gabriel Dell

as Police Officer Gabe Moreno

Helen Parrish

as Ann Prescott

Fritz Feld

as Mr. Andre Schmidtlap - Hotel Manager

Frankie Darro

as Ben Feathers

Lionel Stander

as 'Hatchet' Moran

William Benedict

as Whitey (as Billy Benedict)

David Gorcey

as Chuck

Benny Bartlett

as Butch

Bernard Gorcey

as Louie Dumbrowsky

Cliff Clark

as Police Captain Madison