Professor Zelin

Lionel Barrymore

Acting

Irena Borotyn

Elizabeth Allan

Acting

Count Mora

Lugosi Béla

Acting

Inspector Neumann

Lionel Atwill

Acting

Baron Otto

Jean Hersholt

Acting

Fedor Vincente

Henry Wadsworth

Acting

Dr. Doskil

Donald Meek

Acting

Midwife

Jessie Ralph

Acting

Jan

Ivan F. Simpson

Acting

Chauffeur

Franklyn Ardell

Acting

Maria

Leila Bennett

Acting

Annie

June Gittelson

Acting

Luna

Carroll Borland

Acting

Sir Karell Borotyn

Holmes Herbert

Acting

Innkeeper

Michael Visaroff

Acting

Coroner (uncredited)

Egon Brecher

Acting

Fat Man (uncredited)

Robert Greig

Acting

Gypsy (uncredited)

John George

Acting

Old Gypsy Woman (uncredited)

Louise Emmons

Acting

Eily Malyon

Acting

Guy Bellis

Acting

James Bradbury Jr.

Acting

Rosemary Glosz

Acting

Tiny Jones

Acting

Jane Mercer

Acting

Torben Meyer

Acting

Patricia Reel

Acting

Christian Rub

Acting

Clare Verdera

Acting