Chaney plays two roles: mad scientist Arthur Lamb and Lamb's "experiment", known only as the Ape Man. This hideous creature was the result of Lamb's attempts to transplant animal glands into human beings. A lost film.

Drama, Horror, Mystery, Science Fiction

Lon Chaney, Raymond McKee, Jacqueline Logan, Virginia True Boardman, Fontaine La Rue, Aggie Herring