Movie
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.
Dr. Arthur Lamb / The Ape Man
Robert Sandell
Angela Marshall
Mrs. Sandell
Mrs. Lamb
Bessie
Angela's Mother
Beast Man (uncredited)