Mark Harmon Truly Hated Her.
NCIS is one of TV's longestrunning shows, currently approaching its 21st season. But despite its success, over the years, plenty of characters have taken their leave and never looked back. Does Mark Harmon play any roles in these departures? While Mark is one of the biggest stars on TV, does the cast of the show actually like him? Did Mark Harmon Get Along With His 'NCIS' CoStars?