Sylvia of the Secret Service
| MPAA Rating: | NR |
| Genre: | Drama |
| Country: | United States |
| Directed By: | George Fitzmaurice |
| Written By: | Philip Bartholomae, Joseph H. Trant |
| Cast: | Antonio Moreno, Macey Harlam, Erich Von Stroheim, Irene Castle, Suzanne Willa, J.H. Gilmour, Elliott Dexter, J.W. Percival |
| In Theaters: | Nov 25, 1917 |
| Runtime: | 50 minutes |
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