Luke Grimes chats with ET’s Cassie DiLaura at the premiere of ‘Marshals,’ airing March 1 on CBS. The actor opens up about what makes this ‘Yellowstone’ spin-off different from the original show and if he’s gotten any support from his Dutton family. Plus, Luke reacts to country singer Riley Green making his acting debut on the show and his wife showing her support by dressing their son in ‘Luke Grimes’ swag.
