The Master Key
- Urtea: 1914
- Herrialdea: United States of America
- Generoa: Action, Adventure, Drama
- Estudioa: Universal Film Manufacturing Company
- Hitz gakoa: movie serial
- Zuzendaria: Robert Z. Leonard
- Aktoreak: Robert Z. Leonard, Ella Hall, Harry Carter, Jean Hathaway, Alfred Hickman, Wilbur Higby
