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Yellowstone Spinoff 'Y: Marshals' Announced with Luke Grimes Returning as Kayce Dutton

The CBS procedural-Western series will premiere in early 2026, with Spencer Hudnut as showrunner and Taylor Sheridan stepping back to an executive producer role.

Kayce (Luke Grimes) and Monica Dutton (Kelsey Asbille) sitting in a truck on 'Yellowstone'
Kayce Dutton (Luke Grimes) stands in the medical examiner's office in the 'Yellowstone' episode "Three Fifty-Three."

Overview

  • Luke Grimes will reprise his role as Kayce Dutton in the upcoming CBS series 'Y: Marshals,' which shifts the Yellowstone franchise into a procedural-Western format.
  • The show will follow Kayce as he joins an elite U.S. Marshals unit, blending his cowboy upbringing and Navy SEAL skills to tackle lawlessness in Montana.
  • Spencer Hudnut, known for his work on 'SEAL Team,' will serve as showrunner, marking the first Yellowstone spinoff not directly created or written by Taylor Sheridan.
  • The 13-episode first season is confirmed to premiere in early 2026, with casting details for supporting characters yet to be announced.
  • Speculation continues about additional spinoffs, including a potential series featuring Kelly Reilly and Cole Hauser, though no official confirmation has been made.