Lyle Talbot

~ as ~

Lt. Bob Bennett

Irving Pichel

~ as ~

Dr. Herbert Stander

Julie Bishop

~ as ~

Joan Martel

Sheila Bromley

~ as ~

Poison Mary Slavish

Anthony Averill

~ as ~

Dirk - Stander's Aide

Russell Hopton

~ as ~

Harry 'The Carver' Bogard

Julian Madison

~ as ~

Paul - Stander's Aide

Eddie Holden

~ as ~

Ole Olson

Wheeler Oakman

~ as ~

John Ritter

Stanley Blystone

~ as ~

Capt. Mike Briggs