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

NCIS Origins, the prequel centered around a young Leroy Jethro Gibbs, is coming to the UK and fans want to know where the ...

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

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

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 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 ...

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

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 ...