As the Yellowstone universe gallops toward a bold new frontier, Y: Marshals emerges as the franchise’s next major chapter. Slated for a March 2026 debut, the series will center on Kayce Dutton—a man haunted by loss, rebuilding his life in Montana following the deaths of his father John Dutton and brother Jamie.

Luke Grimes Leads as Kayce Dutton
Returning front and center is Luke Grimes, reprising his role as Kayce. Once a Navy SEAL and ranch hand, he now finds himself enforcing federal law in Montana, wrestling with his past while trying to protect his son Tate in a land still haunted by Dutton family ghosts.
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