Lon Chaney Jr.

David Stuart

Jean Parker

Heather Hayden

Paul Kelly

Dr. Alan Bittaker

Thomas Gomez

Police Capt. Drury

Jonathan Hale

Dr. Sam Welles

Edward Fielding

Dr. Stanley Hayden

George Meeker

Nick Phillips

Pierre Watkin

Hayden's Lawyer

Eddie Dunn

Police Guard Moriarty