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 boosted Wyatt's reputation. The book later inspired a number of stories, movies and television programs about outlaws and lawmen in Dodge City and Tombstone. Lake wrote a number of screenplays for these movies and twelve scripts for the 1955–61 television series "The Life and Legend of Wyatt Earp" starring Hugh O'Brian as Earp. The popular movie "Gunfight at the O.K. Corral", released in 1957, starring Burt Lancaster as Earp, cemented his place in Western history as a hero lawman. The movie also altered the public's perception of cowboys, who in Earp's time and locale were outlaws, but in the movies