Texas John Slaughter (Episode 7): The Robber Stallion (television) Television show; aired on December 4, 1959. Directed by Harry Keller. Slaughter meets Ashley Carstairs and decides to help him capture some mustangs. But they didn’t reckon on Jason Kemp who tries to get rid of the two men. Stars Tom Tryon, Darryl Hickman, Barton MacLane, John Vivyan, Jean Inness.