Leo Gorcey

Slip Mahoney

Huntz Hall

Sach, also called 'Chopper' McGee

John Ridgely

'Silky' Thomas

Gabriel Dell

Police Officer Gabe Moreno

Helen Parrish

Ann Prescott

Fritz Feld

Mr. Andre Schmidtlap - Hotel Manager

Frankie Darro

Ben Feathers

Lionel Stander

'Hatchet' Moran

William Benedict

Whitey (as Billy Benedict)

David Gorcey

Chuck

Benny Bartlett

Butch

Bernard Gorcey

Louie Dumbrowsky

Cliff Clark

Police Captain Madison