Gunfight at the O.K. Corral been pistol-whipped by Wyatt, Ike's 19-year-old younger brother Billy Clanton and Tom's older brother Frank McLaury arrived in town. They had heard from their neighbor, Ed "Old Man" Frink, that Ike had been stirring up trouble in town overnight, and they had ridden into town on horseback to back up their brothers. They arrived from Antelope Springs, east of Tombstone, where they had been rounding up stock and had breakfasted with Ike and Tom the day before. Both Frank and Billy were armed with a revolver and a rifle, as was the custom for riders in the country outside Tombstone.
Hour of the Gun not only survives the gunfight, but is a major antagonist thereafter. Where "Gunfight at the O.K. Corral" is more about the main gun battle, this film begins with the gunfight and moves forward from there. Because Hal B. Wallis had scripted everything in the earlier "Gunfight at the O.K. Corral", Sturges was disappointed with that film. "Hour of the Gun" is more of a psychological "melancholy character study". James Garner also played the lead as Wyatt Earp in a different movie filmed more than two decades later, Blake Edwards's "Sunset" (1988), a comedy thriller based on the 1920s period during