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.

Top Cast

Lon ChaneyDr. Arthur Lamb / The Ape Man

Raymond McKeeRobert Sandell

Jacqueline LoganAngela Marshall

Virginia True BoardmanMrs. Sandell

Fontaine La RueMrs. Lamb

Aggie HerringBessie

Virginia MadisonAngela's Mother

Wallace BeeryBeast Man (uncredited)