Desc: The Beloved Blackmailer: Directed by Dell Henderson. With Carlyle Blackwell, William T. Carleton, Isabel Berwin, Evelyn Greeley. The spoiled, somewhat "mama's boy" young son of a railroad magnate and the pretty young daughter of the magnate's partner set out to stop their respective fathers' incessant quarreling. In the process, they realize that they are falling in love with each other.