Steven Hill

Dan Briggs

Barbara Bain

Cinnamon Carter

Greg Morris

Barney Collier

Peter Lupus

Willy Armitage

Martin Landau

Rollin Hand

Mary Ann Mobley

Crystal Walker

Cyril Delevanti

Anton Cardinal Vossek

Joseph Ruskin

Colonel Scutari

Oscar Beregi Jr.

The Commandant

William Wintersole

The Captain

Monte Markham

Tosk

Bob Johnson

Person on Tape (voice) (uncredited)

George Margo

Sergeant (uncredited)

Norbert Siegfried

Officer (uncredited)

Jon Silo

Pick Pocket Victim (uncredited)

Charles R. Rondeau