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