Sergio Leone, 1966. Eastwood, Van Cleef, Wallach hunt buried gold. The spaghetti-Western epic.
From Wikipedia
The Good, the Bad and the Ugly is a 1966 Italian epic spaghetti Western film directed by Sergio Leone and starring Clint Eastwood as "the Good", Lee Van Cleef as "the Bad", and Eli Wallach as "the Ugly". Its screenplay was written by Age & Scarpelli, Luciano Vincenzoni, and Leone, based on a story by Vincenzoni and Leone. Director of photography Tonino Delli Colli was responsible for the film's sweeping Techniscope cinematography, and Ennio Morricone composed the film's score.