The Mystery Girl
| MPAA Rating: | NR |
| Genre: | Crime, Drama, War |
| Country: | United States |
| Directed By: | William C. De Mille |
| Written By: | George Barr McCutcheon, Marion Fairfax |
| Cast: | J. Parks Jones, Clarence Burton, Winter Hall, Mayme Kelso, Ethel Clayton, Henry Woodward, Charles West |
| In Theaters: | Dec 22, 1918 |
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