Character Name : Dr. Janos Rukh

Original Name : Boris Karloff

Gender : Male

Character Name : Dr. Felix Benet

Original Name : Bela Lugosi

Gender : Male

Character Name : Ronald Drake

Original Name : Frank Lawton

Gender : Male

Character Name : Diana Rukh

Original Name : Frances Drake

Gender : Female

Character Name : Mother Rukh

Original Name : Violet Kemble Cooper

Gender : Female

Character Name : Lady Arabella Stevens

Original Name : Beulah Bondi

Gender : Female

Character Name : Sir Francis Stevens

Original Name : Walter Kingsford

Gender : Male

Character Name : Monsieur Noyer

Original Name : Paul Weigel

Gender : Male

Character Name : Professor Meiklejohn

Original Name : Frank Reicher

Gender : Male

Character Name : Chief of the Surete

Original Name : Georges Renavent

Gender : Male

Character Name : Mme. LeGrand (uncredited)

Original Name : May Beatty

Gender : Female

Character Name : Papa LaCosta (uncredited)

Original Name : Paul McAllister

Gender : Male

Character Name : Briggs (uncredited)

Original Name : Nydia Westman

Gender : Female

Character Name : Celeste (uncredited)

Original Name : Ynez Seabury

Gender : Female

Character Name : Gendarme (uncredited)

Original Name : Robert Graves

Gender : Male