Guns of Diablo is a Metrocolor 1965 Western film directed by Boris Sagal and produced by Boris Ingster, starring Charles Bronson, Susan Oliver and Kurt Russell. Charles Bronson is a wagon train master (Linc Murdock), who runs into difficulties when he meets old girlfriend Maria (Susan Oliver), now married to Rance Macklin (Jan Merlin), whose father owned a ranch that Murdock once worked on.