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

Wheeler Oakman

John Ritter

Stanley Blystone

Capt. Mike Briggs

Skelton Knaggs

Jesse Bixel

Carleton Young

Reporter

Adia Kuznetzoff

Adolph Krantz