Before NCIS, Mark Harmon played a womanizing sleazeball with an STD — on a show that only survived because NBC was desperate ...

However, despite his retirement, fans were surprised to see Harmon’s name remain in the NCIS opening credits for the rest of Season 19. While there was no official explanation from the network for ...

Recalling a story Carroll told last year about when Mark Harmon pranked him in the middle of shooting one of his earliest ...

Rumor has it NCIS star Mark Harmon used his clout to get creator Donald P. Bellisario fired because they were feuding, but ...

Origins has introduced a few new faces to the NCIS franchise, some of its most important players debuted first in the ...

After working together on the medical drama Chicago Hope, Rocky Carroll and Mark Harmon reunited on NCIS in 2008 when the latter came aboard to play Leon Vance in Season 5. The two actors remained ...

Mark Harmon played Leroy Jethro Gibbs for years on "NCIS," and now Austin Stowell has taken on the role for "NCIS: Origins." But how old is Gibbs in both shows?

Mark Harmon's son, Sean, portrayed a younger version of his father's "NCIS" character several times, so why didn't he reprise ...

NCIS Origins takes a deep dive into Agent Gibbs’ past when he first started out at NCIS, formerly known simply as NIS ...