Open Range is a Western film directed by and starring Kevin Costner. Released in 2003, the movie features Robert Duvall as Boss Spearman and Kevin Costner as Charley Waite, two cattle herders driving their herd across the American frontier. They become entangled in a violent conflict with a corrupt rancher, played by Michael Gambon. The film explores themes of justice, friendship, and redemption amidst the rugged landscapes of the West.