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Yellowstone Spinoff Y: Marshals to Star Luke Grimes as U.S. Marshal Kayce Dutton

Kayce Dutton will trade the Yellowstone Ranch for a U.S. Marshals assignment in Montana under a 13-episode order for early 2026.

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Overview

  • CBS greenlit Y: Marshals in May 2025 for a 13-episode run on the network, marking the franchise’s shift from cable to broadcast television.
  • Luke Grimes returns as Kayce Dutton after an emotional farewell to Yellowstone and has resumed production on the new series.
  • The storyline follows Dutton integrating into an elite U.S. Marshals unit in Montana, blending his cowboy heritage and Navy SEAL training to deliver range justice.
  • Grimes said a compelling, believable story pitch drew him back and that the series will feature a mix of familiar Yellowstone faces and new cast members.
  • MTV Entertainment Studios is producing the show with distribution by Paramount Global, and an exact premiere date is expected to be announced later this year.