Prof Leonide

Lugosi Béla

Acting

Dr. Josef Van Ee

George Zucco

Acting

Bill 'Bull' Raymond

Nat Pendleton

Acting

Laura Van Ee

Molly Lamont

Acting

Jane Cornell

Joyce Compton

Acting

Lilly Beth

Gladys Blake

Acting

Ward Van Ee

Roland Varno

Acting

Indigo

Angelo Rossitto

Acting

Terry Lee

Douglas Fowley

Acting

Pathologist

Stanley Andrews

Acting

Rene the Killer

Lee Bennett

Acting

Autopsy Surgeon

Stanley Price

Acting

Mrs. Williams (uncredited)

Dorothy Christy

Acting