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.

• Lloyd BaconDirector

• H.B. WarnerProf. Dangerfield
• Louise FazendaMrs. Fleming
• Jacqueline LoganIrene
• Henry B. WalthallCapt. Rhodes - Yacht Commander
• Claude GillingwaterJames Rutherford - Expedition Leader
• John MiljanDr. Milo
• George BerangerSimpson - Guide
• Warner RichmondFirst Mate
• Floyd ShackelfordSam - Cook
• Lionel BelmoreAmos Sewald
• Charles GemoraGorilla (uncredited)