The Vanishing Rider
William Desmond plays Jim Davis, a secret service agent by day and masked avenger by night. Ethlyne Clair provided feminine appeal, while Bud Osborne, as the notorious Butch Bradley, and a young Boris Karloff took care of the villainy.
- genus: Western
- Studio: Universal Pictures
- keyword: movie serial
- cast: William Desmond, Ethlyne Clair, Nelson McDowell, Bud Osborne, Boris Karloff
