Cast & crew
The Unknown (1915)
Directed by George Melford Written by Margaret Turnbull
Cast
| Lou Tellegen | Farquhar |
| Theodore Roberts | Capt. Klaa |
| Dorothy Davenport | Preston |
| Raymond Hatton | Army Private |
| Hallie Clements | Arnaud |
| Tom Forman | Army Private |
| Horace B. Carpenter | Proprietor |
| Lucien Littlefield | Undetermined |
| George Gebhardt | Undetermined |
Crew
| Margaret Turnbull | Writer |
| I.A.R. Wylie | Novel |
| George Melford | Director |