Trailer
Cast
Frances Drake
Diana Rukh
Paul Weigel
Monsieur Noyer
Frank Reicher
Professor Meiklejohn
Nydia Westman
Briggs (uncredited)
Beulah Bondi
Lady Arabella Stevens
Walter Kingsford
Sir Francis Stevens
May Beatty
Mme. LeGrand (uncredited)
Paul McAllister
Papa LaCosta (uncredited)
Frank Lawton
Ronald Drake
Georges Renavent
Chief of the Surete
Ynez Seabury
Celeste (uncredited)
Robert Graves
Gendarme (uncredited)
Boris Karloff
Dr. Janos Rukh
Lugosi Béla
Dr. Felix Benet
Violet Kemble Cooper
Mother Rukh