Watch The Secret of the Submarine (1915) : Full Movie Online Free An American adventure film serial comprised of fifteen episodes of two reels (24 min) each. All chapters are presumed lost.
Juanita Hansen, Tom Chatterton, Hylda Hollis, Lamar Johnstone, George Clancey, William Tedmarsh, Harry Edmondson, George Webb, Hugh Bennett, Joseph Beaudry