O Poder Invisível

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