Monica's shocking death doesn't mean Kelsey Asbille can't make an appearance on Yellowstone's Marshals spinoff. "Kelsey was so generous allowing us to use her image in the first episode," showrunner Spencer Hudnut told TVLine following the Sunday, March 1, premiere of Marshals. "We wouldn't have done that without her permission." Hudnut noted that it's possible Asbille, 34, could reprise her role in hallucination or flashback form. "I don't want to guarantee anything, but it's definitely not off the table," Hudnut hinted. "I think it would be really satisfying to see them back together.