Mark Harmon hinted at his NCIS exit two years before leaving, proving his departure was no surprise. Was it always the plan?

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 ...

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

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

NCIS star Mark Harmon very nearly walked away from the show after season 4 due to a behind-the-scenes clash with one of his ...

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

NCIS star Cote de Pablo found out about Mark Harmon's opinion of sick days the hard way, after a doctor told her to stay home ...

Sean Murray holds an NCIS record even Mark Harmon doesn’t. After 20 years, he calls it a privilege most actors never get to ...

Mark Harmon played Leroy Jethro Gibbs for years on "NCIS," and now Austin Stowell has taken on the role for "NCIS: Origins." ...

NCIS Origins once again expands the NCIS universe and now UK fans can delve into the back story of Agent Leroy Jethro Gibbs.

After starring in an underrated TV movie adaptation of a classic "Twilight Zone" episode, Mark Harmon became a hugely recognizable face on television for nearly two decades as Gibbs, the head of the ...