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

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

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

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

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

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

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

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 ...

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

Over the years, "NCIS" viewers have learned about dozens of the rules that Leroy Jethro Gibbs lives by. Here's a rundown of ...

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