Searxng/Marshals TV show tv TV Luke Grimes reveals the unexpected Yellowstone spinoff offer for Kayce Dutton amid Costner's exit and the show's uncertain future. April 4, 2026 AceShowbiz - Note: This article contains spoilers for Marshals Episode 1. During the filming of the extended final episode of Yellowstone, actor Luke Grimes was approached with an unexpected opportunity that would extend his connection to the beloved character Kayce Dutton.