The Gunfighter turned it down, despite having expressed a strong desire to play the part, because of his longstanding hatred for Columbia's president, Harry Cohn. Columbia sold the rights to Twentieth Century Fox, where the role went to Peck. Wayne's final film, "The Shootist" (1976), is often compared to "The Gunfighter" and contains numerous plot similarities. The script was loosely based on the purported exploits of an actual western gunfighter named Johnny Ringo, a distant cousin of the outlaw Younger family and a purported survivor of the infamous gunfight at the OK Corral against Doc Holliday and the Earp brothers. As in
Gunfight at the O.K. Corral for much of the popular imagery associated with the Old West. Despite its name, the gunfight did not take place within or next to the O.K. Corral, which fronted Allen Street and had a rear entrance lined with horse stalls on Fremont Street. The shootout actually took place in a narrow lot on the side of C. S. Fly's Photographic Studio on Fremont Street, six doors west of the O.K. Corral's rear entrance. Some members of the two opposing parties were initially only about apart. About 30 shots were fired in 30 seconds. Tom and Frank McLaury and Billy Clanton