Harrison Ford and Kevin Costner won't be having a reunion on the set of Yellowstone anytime soon, according to recent interviews. Harrison stated in a February interview that he did not reach out to Costner prior to joining the Yellowstone prequel cast, as he wanted to forge his own path and establish his own relationship with the show's creators. Meanwhile, Helen Mirren also said she hasn't spoken to Costner because she doesn't know him. Despite rumors of Costner's possible departure from Yellowstone, a Paramount Network spokesperson has insisted that he remains a big part of the franchise.