Arizona Bushwhackers

Arizona Bushwhackers is a 1968 American Western film directed by Lesley Selander and starring Howard Keel, Yvonne De Carlo, John Ireland, Marilyn Maxwell, Scott Brady, and Brian Donlevy. The film follows a Confederate spy who, during the American Civil War, takes a job as the marshal of a small Western town to conceal his true mission. But his plans are complicated when he discovers that a local businessman is secretly selling weapons to a band of rampaging Indians.

Synopsis from Wikipedia, CC BY-SA 4.0. Everything below written here.

Poster © the film's rights holders.