NCIS just aired the biggest episode of the series, answering the question fans have been wondering about all summer: How much is Mark Harmon going to be in Season 19?
NCIS just aired the biggest episode of the series, answering the question fans have been wondering about all summer: How much is Mark Harmon going to be in Season 19?
Mark Harmon Exits NCIS After 18 Seasons as Leroy Jethro Gibbs thewrap.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from thewrap.com Daily Mail and Mail on Sunday newspapers.