The Secret of the Submarine
- વર્ષ: 1915
- દેશ: United States of America
- શૈલી: Action, Adventure
- સ્ટુડિયો: American Film Manufacturing Company
- કીવર્ડ: submarine, silent film, movie serial, lost film
- ડાયરેક્ટર: George L. Sargent
- કાસ્ટ: Juanita Hansen, Tom Chatterton, Hylda Hollis, Lamar Johnstone, George Clancey, William Tedmarsh
