Robert Mitchum is......Man With The Gun.

Clint Tollinger arrives in a small town looking for his estranged wife and news of his daughter, tho he finds her, the chance of any sort of reconciliation is very slim. Whilst here, the sheriff and the important townsfolk learn of Tollinger's reputation as a pistol specialist town tamer. As they are living in fear of a mysterious landowner who is stripping the town from them bit by bit, they hold a meeting that chooses to hire Tollinger to rid the town of it's unsavoury elements.

Man With The Gun seems to be either a forgotten piece or a vastly un... read the rest.