Yellowstone Spinoff Y:Marshals Adds Logan Marshall-Green, Luke Grimes Returns

The Yellowstone franchise is expanding with a new spinoff titled Y: Marshals, focusing on Luke Grimes reprising his role as Kayce Dutton, who leaves the Yellowstone Ranch to join an elite unit of U.S. Marshals in Montana. The series will explore Kayce's dual expertise as a cowboy and Navy SEAL as he and his team combat crime while balancing family and duty. Logan Marshall-Green, known for roles in Upgrade and Spider-Man: Homecoming, joins the cast as Pete Calvin, a close friend from Kayce's military past. The show, produced by Taylor Sheridan and others, will air on CBS with a 13-episode order and is expected to premiere during the 2025-2026 broadcast season on Sunday nights. While additional cast members have not been officially confirmed, there are rumors that Kayce's wife Monica and son Tate may return. The premiere episode is written by Spencer Hudnut and directed by Greg Yaitanes, continuing the Yellowstone universe with a procedural format focusing on law enforcement.