The Master Key is a 1914 American silent film serial directed by Robert Z. Leonard. It is considered to be lost, with only episode 5 of 15 surviving in the Library of Congress. In parallel with the weekly film releases, Universal Film offered newspaper a print serial work illustrated with stills from the film. These were complied into a "photo-play" edition of The Master Key published by Grosset & Dunlap in 1915.
Cast
Robert Z. Leonard as John Dore
Ella Hall as Ruth Gallon
Harry Carter as Harry Wilkerson
Jean Hathaway as Jean Darnell
Alfred Hickman as Charles Everett
Wilbur Higby as Tom Gallon
Charles Manley as Tom Kane
Jack Holt as Donald Faversham
Jim Corey as Wah Sing
Allan Forrest
Mack V. Wright
Rupert Julian
Cleo Madison
Edward A. Mills
James Robert Chandler (credited as Robert Chandler)
Marc Robbins



