The Master Key [894531] Released: 1914-11-16 Genres: Action, Adventure, Drama Revenue: unknown Cast: 10 Popularity: 0.1334 Links: : Homepage, IMDB, TMDB Synopsis : A movie serial from 1914 Robert Z. LeonardElla HallHarry CarterJean HathawayAlfred HickmanWilbur HigbyCharles ManleyJack HoltJim CoreyAllan Forrest