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

Skelton Knaggs

Jesse Bixel

Carleton Young

Reporter

William N. Chapman

Bill

Jack Gardner

Reporter

Adia Kuznetzoff

Adolph Krantz

Bert LeBaron

Sailor

Fred Walton

Dr. Beemish