An expedition sets out through the jungle to find a missing explorer, but stumbles upon an ancient Mayan temple that houses a giant ape.
H.B. Warner
as Prof. Dangerfield
Louise Fazenda
as Mrs. Fleming
Jacqueline Logan
as Irene
Henry B. Walthall
as Capt. Rhodes - Yacht Commander
Claude Gillingwater
as James Rutherford - Expedition Leader
John Miljan
as Dr. Milo
George Beranger
as Simpson - Guide
Warner Richmond
as First Mate
Floyd Shackelford
as Sam - Cook
Lionel Belmore
as Amos Sewald
Charles Gemora
as Gorilla (uncredited)
