Young Billy Young is a 1969 Western film in Deluxe Color starring Robert Mitchum and featuring Angie Dickinson, Robert Walker Jr. (in the title role), David Carradine, Jack Kelly (who plays a villain dressed like his character Bart Maverick in the television series Maverick), Deana Martin (in her screen debut) and Paul Fix. The story was based on a novel by Heck Allen titled "Who Rides with Wyatt" (written pseudonymously as Will Henry) and the screenplay was by Burt Kennedy; the film was directed by Kennedy.