Dr. Arthur Lamb / The Ape Man

Lon Chaney

Acting

Robert Sandell

Raymond McKee

Acting

Angela Marshall

Jacqueline Logan

Acting

Mrs. Sandell

Virginia True Boardman

Acting

Mrs. Lamb

Fontaine La Rue

Acting

Bessie

Aggie Herring

Acting

Angela's Mother

Virginia Madison

Acting

Beast Man (uncredited)

Wallace Beery

Acting