The Master Key
- Jaro: 1914
- Lando: United States of America
- Ĝenro: Action, Adventure, Drama
- Studio: Universal Film Manufacturing Company
- Ŝlosilvorto: movie serial
- Direktoro: Robert Z. Leonard
- Rolantaro: Robert Z. Leonard, Ella Hall, Harry Carter, Jean Hathaway, Alfred Hickman, Wilbur Higby
