Characters played by Ralph Morgan
Prof. Paul Kristan
Characters played by Pedro de Cordoba
Dr. Anders Bizet
Characters played by Maxine Doyle
Marguerite Mane
Characters played by Russell Gleason
David
Characters played by Mischa Auer
Zan
the Hunchback
Characters played by Lucy Beaumont
Mother Molly
Characters played by Carl Stockdale
John Mane
Characters played by Barbara Bedford
Martha Kristan
Characters played by Robert Frazer
Dr. Duprez
Characters played by Ferdinand Schumann-Heink
Franz Kristan
Characters played by Heidi Shope
Anna
the Maid
Characters played by Marilyn Knowlden
Maria
the Young Girl
Characters played by Ted Billings
Bellringer
Characters played by Frank Brownlee
Villager
Characters played by Horace B. Carpenter
Villager
Characters played by Edward Cecil
John
the Servant
Characters played by Dick Curtis
Villager at Pit Rim
Characters played by Harold Goodwin
Villager
Characters played by Jean Handel
Village Old Crone
Characters played by Paul Weigel
Old Village Doctor
Characters played by Slim Whitaker
Villager