Yellowstone Spinoff Y: Marshals Casts Logan Marshall-Green for 2026 Premiere

CBS is expanding the Yellowstone universe with a new spinoff titled Y: Marshals, set to premiere midseason in 2026, starring Luke Grimes reprising his role as Kayce Dutton. The series follows Kayce as he leaves ranch life behind to join an elite unit of U.S. Marshals, using his cowboy and Navy SEAL skills to deliver justice across Montana while balancing family obligations and the psychological toll of the job. Logan Marshall-Green has been cast as Pete Calvin, a longtime friend of Kayce’s from their military service, adding depth to the storyline. Y: Marshals is produced by MTV Entertainment Studios with Taylor Sheridan as an executive producer and showrunner Spencer Hudnut at the helm. This spinoff is the first Yellowstone series made for CBS, joining other franchise projects like The Madison and a Beth Dutton-Rip Wheeler spinoff in development. The series promises a blend of western drama and law enforcement action, continuing to expand the popular franchise’s exploration of family, duty, and justice in Montana.