360 mins | Action, Adventure | May 21, 1915
360 mins | Action, Adventure | May 21, 1915
| Producers | American Film Manufacturing Company |
| Original title | The Secret of the Submarine |
| Directors | George L. Sargent |
| Writers |
as Cleo Burke
as Lt. Jarvis Hope
as Olga Ivanoff
as Gerald Morton
as Hook Barnacle
as Tatsuma
as Sextus
as Mahlin
as Dr. Ralph Burke
as Calvin Montgomery