Vittorio Gassman as Jory

Barry Sullivan as Lieutenant Tunner

Polly Bergen as Janet Tunner

William Conrad as Goodwin

Mary Zavian as Ella

Robert Burton as Warden Keeley

Harry Shannon as Sheriff Brown

Jonathan Cott as Deputy Davis

Eugene Mazzola as Albert Jory

George Selk as Josh

Harry Cheshire as Doctor

Bill Walker as Dock Attendant

Frank Arnold as Creole Fisherman (uncredited)

Sonia Charsky as Swamp Woman (uncredited)

Jay Lawrence as Deputy (uncredited)

Nolan Leary as Prison Doctor (uncredited)

Inez Palange as Old Woman (uncredited)

Fred Santley as Ticket Clerk (uncredited)

Helen Winston as Nurse (uncredited)