Trailer
Cast
- Bela Lugosi as Rolf
- Lionel Atwill as Dr. King
- Leif Erickson as Laurie
- Irene Hervey as Dr. Lynne Harper
- Ralph Morgan as Kurt Ingston
- Don Porter as Dick Baldwin
- Nils Asther as Agor Singh
- Fay Helm as Margaret Ingston
- Frank Reicher as Dr. Timmons
- Doris Lloyd as Sarah Judd
Crew
- Ford Beebe · Director
- Clarence Upson Young · Writer
- Ford Beebe · Producer
- Charles Van Enger · Cinematographer
- Milton Carruth · Editor