Stark Mad

"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)

Lloyd Bacon

Director

Jerome Kingston

Story

Harvey Gates

Scenario Writer

Harvey Gates

Dialogue