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 City to finish George Hoyt's job, and that they had forced him to back down. Two other accounts contradicted Earp, crediting cattleman Dick McNulty and Long Branch Saloon owner Chalk Beeson with convincing Allison and his cowboys to surrender their guns. Cowboy Charlie Siringo witnessed the incident and left a written account. Wyatt outlived his brothers, and due to the fame Wyatt gained from Lake's biography and later adaptations of it, he is often mistakenly viewed as the central character and hero of the gunfight at the O.K. Corral. In fact, Virgil Earp, as Deputy U.S. Marshal and Tombstone City