Calificación
Reparto

Lionel Barrymore
Professor Zelin

Elizabeth Allan
Irena Borotyn

Bela Lugosi
Count Mora

Lionel Atwill
Inspector Neumann

Jean Hersholt
Baron Otto

Henry Wadsworth
Fedor Vincente

Donald Meek
Dr. Doskil

Jessie Ralph
Midwife

Ivan F. Simpson
Jan

Franklyn Ardell
Chauffeur

Leila Bennett
Maria

June Gittelson
Annie

Carroll Borland
Luna

Holmes Herbert
Sir Karell Borotyn

Michael Visaroff
Innkeeper

Egon Brecher
Coroner (uncredited)