The Circular Staircase
| MPAA Rating: | NR |
| Genre: | Mystery |
| Country: | United States |
| Produced By: | William Nicholas Selig |
| Directed By: | Edward LeSaint |
| Written By: | Mary Roberts Rinehart |
| Cast: | William Howard, Bertram Grassby, Jane Keckley, F.J. Tyler, Eugenie Besserer, Guy Oliver, Fred Huntley, Edith Johnson, Clyde Benson, George Hernandez, Anna Dodge, Stella LeSaint |
| In Theaters: | Sep 20, 1915 |
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