Lyle Talbot

Lt. Bob Bennett

Irving Pichel

Dr. Herbert Stander

Julie Bishop

Joan Martel

Sheila Bromley

Poison Mary Slavish

Anthony Averill

Dirk - Stander's Aide

Russell Hopton

Harry 'The Carver' Bogard

Julian Madison

Paul - Stander's Aide

Eddie Holden

Ole Olson

Wheeler Oakman

John Ritter

Stanley Blystone

Capt. Mike Briggs

Leander De Cordova

Ezra Matthews

Demetrius Alexis

Steve Murano