Shoot the Sun Down (1978) Margot Kidder, Geoffrey Lewis, Christopher Walken. Western

Dan Ballard, a respected citizen in the western town of Silver Lode, has his wedding interrupted by four men led by Ned McCarthy, an old acquaintance who, as a US Marshal, arrests Ballard for the murder of his brother and the theft of $20,000. Ballard seeks to stall McCarthy while tracking down evidence that will prove his innocence: but the townspeople's loyalty to him gradually begins to waver under McCarthy's accusations.