A series of murders that take place in an old, dark mansion are suspected of being committed by an ape. (lost film)
Joe Frisco
Garrity
Harry Gribbon
Mulligan
Walter Pidgeon
Arthur Marsden
Lila Lee
Alice Denby
Purnell Pratt
The Stranger
Edwin Maxwell
Cyrus Stevens
Roscoe Karns
Simmons
William H. Philbrick
Jeff
Landers Stevens
Inspector
