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

NCIS is set to return to our screens with a prequel series, NCIS Origins, which will delve into the early days of Leroy ...

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

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 ...

NCIS: Origins is supposed to focus on Jethro Gibbs' backstory, but they’ve done a lot more to make Mike Franks feel like a ...

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

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

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

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

NCIS spoilers from a cast member suggest that fans are going to lose it when a character from the past returns for an ...