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

The new series, set to premiere in early 2026, explores Kayce Dutton's transition from ranch life to the U.S. Marshals, marking the first Yellowstone spinoff without Taylor Sheridan as writer.

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 CBS series 'Y: Marshals,' which follows his character joining an elite unit of U.S. Marshals in Montana.
  • The series will consist of 13 episodes in its first season and is scheduled to air in early 2026.
  • Spencer Hudnut, known for his work on 'SEAL Team,' will serve as showrunner, while Taylor Sheridan remains involved as an executive producer but is not writing or directing.
  • The storyline will blend Kayce's cowboy upbringing with his Navy SEAL skills as he delivers 'range justice' and grapples with the psychological challenges of his new role.
  • A separate spinoff, reportedly titled 'Dutton Ranch' and featuring Kelly Reilly and Cole Hauser, is in development but has not yet been officially confirmed.