Leo Gorcey

Slip Mahoney

Huntz Hall

Sach Jones

Benny Bartlett

Butch Williams

Percy Helton

Warden B.W. Oswald

Barton MacLane

Captain Jenkins

Anthony Caruso

Percival P. Lannigan

Lyle Talbot

Cy Bowman

Bernard Gorcey

Louie Dumbrowsky

David Gorcey

Chuck Anderson

Michael Ross

"Big Greeny"

John Harmon

Tomsic

Fritz Feld

Dr. Fernando F. Fordyce

Harry Tyler

Hank Gaffney - Convict

Murray Alper

Kitchen Trustee Gus

Ray Walker

Willy, gambling ring thug

Emil Sitka

Prison Mugshot Photographer

Clegg Hoyt

Chunky Guard, at warden's office

Frank Hagney

Convict Frank, Lannigan's barber

Harold 'Tommy' Hart

Convict Manicurist