State Penitentiary

Warner Baxter

Rodger Manners

Onslow Stevens

Richard Evans

Karin Booth

Shirley Manners

Robert Shayne

Stanley Brown

Richard Benedict

Mike Gavin

Brett King

Al 'Kid' Beaumont

John Bleifer

Jailbreak Jimmy

Leo Cleary

Warden-Narrator

Rick Vallin

Tom

William Fawcett

Costello, a Prisoner