Frontier Marshal (1939)

Early low budget version of the famous gunfight at O.K. Corral with Randolph Scott as Wyatt Earp and Cesar Romero as Doc Holliday. Remade by John Ford as "My Darling Clementine" in 1946 and by John Sturges as "Gunfight at the O.K. Corral" in 1957.