The Secret of the Submarine
An American adventure film serial comprised of fifteen episodes of two reels (24 min) each. All chapters are presumed lost.
- genus: Action, Adventure
- Studio: American Film Manufacturing Company
- keyword: submarine, silent film, movie serial, lost film
- cast: Juanita Hansen, Tom Chatterton, Hylda Hollis, Lamar Johnstone, George Clancey, William Tedmarsh