The Mainspring
| MPAA Rating: | NR |
| Genre: | Drama |
| Country: | United States |
| Produced By: | D.W. Griffith |
| Directed By: | Jack Conway |
| Written By: | Charles Agnew MacLean, William Parker |
| Cast: | Wilbur Higby, Francelia Billington, Marc Robbins, Ben F. Wilson, Thomas Jefferson, Mary Maurice, Ed Brady, Clyde Benson, Raymond Whitaker, Henry Holland |
| In Theaters: | Nov 27, 1916 |
Followers: 0