The Man Called Noon (1973) on Netflix

An amnesiac gunfighter, aided by a sympathetic outlaw, tries to discover his own identity and past.

Noon is a gunfighter who has become amnesiac. Helped by Rimes, an outlaw who has befriended him, he tries to figure out who he is actually. It gradually appears that his wife and kid have been murdered. As time goes by, Noon also recalls a fortune hidden somewhere. Niland, a scheming judge, and Peg Cullane, a greedy will do everything to prevent Noon and Rimes from achieving their end while Fan Davidge, a woman living in a ghost town, will support them.

—Guy Bellinger