Mark Harmon, who played Agent Gibbs, bid farewell to the role in 2021 after an impressive 18-year stint leading the NCIS team. Article continues below While Gibbs was often reticent about his past ...

Agent Leroy Jethro Gibbs (portrayed by Mark Harmon) has been an enigmatic figure throughout his 18-year tenure on NCIS before he left the CBS police procedural for a quieter life in Alaska.

Alice Gibbs is a Newsweek Senior Internet Trends & Culture Reporter based in the U.K. For the last two years she has specialized in viral trends and internet news, with a particular focus on ...