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
Hour of the Gun and says goodbye to his unlikely friend, telling him this time he really is returning to Tombstone. As he leaves, though, Earp admits that he's leaving the Southwest altogether, intending never to be involved in law enforcement again. This is the second film by John Sturges about these events, following the fictionalized film from ten years earlier, "Gunfight at the O.K. Corral", which had featured Burt Lancaster as Earp and Kirk Douglas as Holliday. However, Ike Clanton is killed at the end of the earlier film (during the Gunfight at the O.K. Corral itself). In "Hour of the Gun", Clanton