Kayce Dutton has found himself a pal. CBS’ upcoming Yellowstone spinoff Y: Marshals has made its first major cast addition, tapping Logan Marshall-Green (And Just Like That…, Big Sky) to join the ensemble,

Luke Grimes is reprising his role as Kayce Dutton on the upcoming Yellowstone spinoff Y:Marshals, but not much else is known about the series. It will air on CBS in 2026, but fans have been waiting on details of the cast. Will any of Kayce's family members, namely wife Monica (Kelsey Asbille) and son Tate (Brecken Merrill) be joining the new show?

CBS is starting to build up the cast of its Yellowstone spinoff Y: Marshals.