An ape is suspected of committing a series of murders.
Charles Murray
as Garrity
Fred Kelsey
as Mulligan
Alice Day
as Alice Townsend
Tully Marshall
as William Townsend
Claude Gillingwater
as Cyrus Townsend
Walter Pidgeon
as Stevens
Brooks Benedict
as Reporter
Syd Crossley
as Butler
Gaston Glass
as Marsden
