The Mystery Girl
- Mwaka: 1918
- Nchi: United States of America
- Aina: Crime, Drama
- Studio: Famous Players-Lasky Corporation
- Neno kuu:
- Mkurugenzi: William C. de Mille
- Tuma: Ethel Clayton, Henry Woodward, Clarence Burton, Charles West, Winter Hall, Mayme Kelso
