Wikimedia Commons/Marshals CBS Celebrity Logan Marshall-Green on his intense role in CBS's *Marshals*, the brotherly bond with Kayce Dutton, and the brutal "pain train" training. April 26, 2026 AceShowbiz - Logan Marshall-Green plays a pivotal character in the debut season of CBS' Marshals, a spin-off of the hit series "Yellowstone." The show features Luke Grimes as Kayce Dutton, a dedicated member of the Dutton family. Marshall-Green portrays Pete Calvin, a Navy SEAL and longtime war companion of Kayce.