Kevin Costner Opens Up About Son Hayes' Acting Debut in 'Horizon' and 'Yellowstone' Final Season

Kevin Costner discusses his son Hayes' acting debut in "Horizon: An American Saga," a project that has been more than three decades in the making. The film, set in the pre-and-post-American Civil War period, will be released in two parts, with Costner acting in, directing, and producing the ambitious project. Costner also opens up about the upcoming fifth and final season of "Yellowstone," expressing his hope to possibly return to the show in the future.