
The Mainspring
- Urtea: 1916
- Herrialdea:
- Generoa: Drama
- Estudioa: Universal Film Manufacturing Company
- Hitz gakoa: lost film
- Zuzendaria: Jack Conway
- Aktoreak: Ben F. Wilson, Francelia Billington, Wilbur Higby, Henry Holland, Clyde Benson, Raymond Whittaker