My Darling Clementine is a 1946 western movie.It was directed by John Ford, and based on the story of the Gunfight at the O.K. Corral between the Earp brothers and the Clanton gang. It features an ensemble cast including Henry Fonda, Linda Darnell, Victor Mature, Walter Brennan, and others. The movie was adapted by Samuel G. Engel, Sam Hellman, and Winston Miller from the book Wyatt Earp: Frontier Marshal by Stuart N. Lake. The title derives from the folk song "Oh My Darling, Clementine"