Ride Lonesome (1959)
A bounty hunter escorts a killer to be tried for murder, with the killers brother after them
Decision at Sundown (1957)
Bart Allison and sidekick Sam arrive in the town of Sundown on the wedding day of town boss Tate Kimbrough, whom Allison blames for his wifes death years earlier
Cyborg 2087 (1966)
Earths civilization of the future sends a cyborg back to the 1960s to change the future