With Yellowstone returning with part 2 of season 5 in just a few months, it’s now well-known that Kevin Costner will not be rejoining the Yellowstone season 5 cast. Costner’s protagonist John Dutton has been the glue that’s held Yellowstone together, with the entire show revolving around him. Dutton is the patriarch of the Dutton Family, a ranching dynasty that owns the largest ranch in Montana. Yellowstone‘s story follows the Dutton family trying to balance familial drama and maintain their traditional way of life while the realities of the modern era threaten to take away all they’ve built.
https://screenrant.com/yellowstone-show-kevin-costner-john-dutton-exit-quit-explained/