Marshals' Every good story doesn't have an ending — just ask Luke Grimes. After CBS announced that the actor would return as Kayce Dutton in a brand-new Yellowstone spinoff series that has a working title of Y: Marshals,

Luke Grimes will once again play Kayce, the youngest of the Dutton siblings and a former Navy SEAL. When fans last saw the character, he had retained a small part of the Yellowstone Dutton ranch for his family after selling off the majority to the Broken Rock Indian Reservation.