Directed by Harry Grossman, Burton L. King | Starring: Harry Houdini, Marguerite Marsh, Ruth Stonehouse, Edna Britton

In this action-packed serial, government agent Quentin Locke infiltrates a corrupt patents company, only to run into the gleaming terror of its robot protector, the Automaton. In order to save the... Read more

IMDb The Master Mystery movie posters