The Master Key
- Aasta: 1914
- Riik: United States of America
- Žanr: Action, Adventure, Drama
- Stuudio: Universal Film Manufacturing Company
- Märksõna: movie serial
- Direktor: Robert Z. Leonard
- Osades: Robert Z. Leonard, Ella Hall, Harry Carter, Jean Hathaway, Alfred Hickman, Wilbur Higby
