The Master Key
- साल: 1914
- देश: United States of America
- शैली: Action, Adventure, Drama
- स्टूडियो: Universal Film Manufacturing Company
- कीवर्ड: movie serial
- निदेशक: Robert Z. Leonard
- कास्ट: Robert Z. Leonard, Ella Hall, Harry Carter, Jean Hathaway, Alfred Hickman, Wilbur Higby
