70 mins | Crime, Action, Adventure | Feb. 2, 1929
70 mins | Crime, Action, Adventure | Feb. 2, 1929
| Producers | Warner Bros. Pictures |
| Original title | Stark Mad |
| Directors | Lloyd Bacon |
| Writers | Jerome Kingston, Harvey Gates |
as Prof. Dangerfield
as Mrs. Fleming
as Irene
as Capt. Rhodes - Yacht Commander
as James Rutherford - Expedition Leader
as Dr. Milo
as Simpson - Guide
as First Mate
as Sam - Cook
as Amos Sewald
as Gorilla (uncredited)