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.

Genres

Cast

Lon Chaney

Dr. Arthur Lamb / The Ape Man

Raymond McKee

Robert Sandell

Jacqueline Logan

Angela Marshall

Virginia True Boardman

Mrs. Sandell

Fontaine La Rue

Mrs. Lamb

Aggie Herring

Bessie

Wallace Beery

Beast Man (uncredited)