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

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

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 ...

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 ...

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 ...

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

NCIS Origins will delve into the backstory of veteran Agent Leroy Gibbs when he first joined Camp Pendleton in the 1990s.

Mark Harmon played Leroy Jethro Gibbs for years on "NCIS," and now Austin Stowell has taken on the role for "NCIS: Origins." But how old is Gibbs in both shows?

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