The Secret of the Submarine
- वर्ष: 1915
- देश: United States of America
- शैली: Action, Adventure
- स्टुडिओ: American Film Manufacturing Company
- कीवर्ड: submarine, silent film, movie serial, lost film
- संचालक: George L. Sargent
- कास्ट: Juanita Hansen, Tom Chatterton, Hylda Hollis, Lamar Johnstone, George Clancey, William Tedmarsh
