Premise: Mackintosh and T.J. is a 1975 American modern day Western film starring Roy Rogers in his last feature film appearance in a film that was specifically written for him. Prior to this film his most recent feature film appearances were in the Bob Hope films "Son of Paleface" (1952) and 1959's "Alias Jesse James" (a cameo).
Hypothesis: Roy Rogers starred in his last feature film in 1975