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 ...

Mark Harmon's wife, Pam Dawber, begged him not to take his role in the comedy-drama Summer School, but he proved her ...

"NCIS" creator Donald P. Bellisario once threatened to cancel the series over a casting decision, proving that he wielded ...

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

The cast includes Downton Abbey’s Julian Ovenden, Oppenheimer’s James D’Arcy, and Shadow and Bone’s Amita Suman. With ...

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

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 ...

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 ...

While "NCIS" actually started as a spin-off for a forgotten show, which is where Mark Harmon made his debut as Leroy Jethro Gibbs, Gibbs is best known as the main face of "NCIS," beginning with ...

That's right, we almost had "NCIS," starring Mark Harmon as, according to the actor, it was almost "Bob Johnson or something like that" a name that just screams, "meh." Read more: The Twilight ...