Logan Marshall-Green joins the cast of 'Y: Marshals', playing Pete Calvin, a military buddy of Kayce Dutton. 'Y: Marshals' will star Luke Grimes, who will reprise his role as Kayce Dutton, now part of a specialized U.S. Marshals unit in Montana. The show is scheduled to air mid-season 2025–2026 on CBS, Sunday nights.

Green has been cast on Y: Marshals, the upcoming Yellowstone spinoff starring Luke Grimes, Entertainment Weekly can confirm. The actor, who recently guest starred on And Just Like That, will play Pete Calvin, a friend from Kayce's (Grimes) military service.

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