- Country: USA
- Genres: Action, Adventure, Crime
- Release: 1929-02-02
- Director: Lloyd Bacon
- Writers: Jerome Kingston , Harvey Gates , Francis Powers
- Language: English
- Stars: H.B. Warner (1875–1958) , Louise Fazenda , Jacqueline Logan , Henry B. Walthall , Claude Gillingwater , John Miljan , George Beranger , Warner Richmond , Floyd Shackelford , Lionel Belmore
- Runtime: 70 min
- Awards: N/A
- AKA: Stark Mad (United States of America) , Stark Mad , Stark Mad (United Kingdom) , Stark Mad (Canada)
- Plot: A group of people from the United States sail on a yacht down to Caracas in search of the captain's missing son. Soon they are lost in the wilds of Central America, encounter many terrors in the jungle (including an ape that is trained-to-kill), one of the party is murdered by something or someone close to the searchers.
- IMDB:tt0020449
Stark Mad Cast · · · ALL
Lloyd Bacon
Director
H.B. Warner
(1875–1958)
Prof. Dangerfield
Louise Fazenda
Mrs. Fleming
Jacqueline Logan
Irene
Henry B. Walthall
Capt. Rhodes - Yacht Commander
Claude Gillingwater
James Rutherford - Expedition Leader
John Miljan
Dr. Milo
George Beranger
Simpson - Guide
Warner Richmond
First Mate
Floyd Shackelford
Sam - Cook
Lionel Belmore
Amos Sewald
Charles Gemora
Gorilla (uncredited)