The Great Secret (movie)
- Production country: United States of America
- Producer: Christy Cabanne
- Production companies: Quality Pictures Corporation
- Genre: Action, Adventure
- Release date: 1/8/1917
- Run time: 300 min.
Movie description
A wealthy young athlete comes to the aid of a beautiful heiress, whose fortune is being threatened by two arch villains, The Great Master and Doctor Zulph.