The Secret of the Submarine
- Godina: 1915
- Zemlja: United States of America
- Žanr: Action, Adventure
- Studio: American Film Manufacturing Company
- Ključna riječ: submarine, silent film, movie serial, lost film
- Direktor: George L. Sargent
- Uloge: Juanita Hansen, Tom Chatterton, Hylda Hollis, Lamar Johnstone, George Clancey, William Tedmarsh