Hour of the Gun accuracy than most motion picture accounts of the events and is based on the non-fiction book "Tombstone's Epitaph" by Douglas D. Martin, with a screenplay by Edward Anhalt. In "Hour of the Gun" Ike Clanton is shown, correctly, to have survived the Gunfight at the O.K. Corral, whereas previous films had him killed at the gunfight. Outnumbered but determined, Wyatt Earp (James Garner), his brothers Virgil (Frank Converse) and Morgan (Sam Melville) and ally Doc Holliday (Jason Robards) confront and clearly get the best of the Ike Clanton gang in a violent shootout at the O.K. Corral in the Arizona
Wyatt Earp: Frontier Marshal records in Tombstone of a relationship between Josephine and Earp, but Behan and Earp both had offices above the Crystal Palace Saloon, competed for the same jobs, and were loyal to opposing social groups. Behan played a role in the Gunfight at the O.K. Corral, telling the Earps that he had disarmed the Cowboys. (Behan testified afterward that he'd only said he'd gone down to the Cowboys "for the purpose of disarming them," not that he had actually done so.) Marcus told Earp's biographers and others that Earp never owned gambling saloons and that he never offered prostitutes upstairs, but