The Secret of the Submarine 1915 Directed by George L. Sargent
An American adventure film serial comprised of fifteen episodes of two reels (24 min) each. All chapters are presumed lost.
Cast
Juanita Hansen
Cleo Burke
Tom Chatterton
Lt. Jarvis Hope
Hylda Hollis
Olga Ivanoff
Lamar Johnstone
Gerald Morton
George Clancey
Hook Barnacle
William Tedmarsh
Tatsuma
Harry Edmondson
Sextus
George Webb
Mahlin
Hugh Bennett
Dr. Ralph Burke
Joseph Beaudry
Calvin Montgomery