The Last Door
| MPAA Rating: | NR |
| Genre: | Mystery |
| Country: | United States |
| Directed By: | William P.S. Earle |
| Written By: | Edward J. Montagne, W. Bert Foster, Ralph Ince |
| Cast: | Ralph Ince, Charles Craig, Helen Pillsbury, Nita Naldi, Martha Mansfield, Katherine Perry, Warren Cook, Eugene O'Brien |
| In Theaters: | May 10, 1921 |
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