Donald Bellisario and Mark Harmon allegedly butted heads because the leading actor had become upset over the series creator’s ...

Despite leaving the show to tackle a fresh challenge, Mark Harmon is apparently not against the idea of returning to the main ...

Except, of course, he did help cast it. Related: Mark Harmon on Why Austin Stowell Is the Perfect Young Leroy Jethro Gibbs ...

A fter Mark Harmon left NCIS at the beginning of Season 19, the actor finally returned to the franchise for the prequel ...

Donald Bellisario's alleged feud with Mark Harmon reportedly contributed to his exit from NCIS after four seasons.

He revealed that although the experience "changed [his] direction," it was still "humiliating" for his teenage self Mark ...

Kyle Schmid exclusively opened up to Us about playing Mike Franks on ‘NCIS: Origins,’ which premiered in October ...

Mark Harmon may not have much of an acting role in NCIS: ORIGINS, but he is still very much involved. He reflected on his ...

CBS rookie show NCIS: ORIGINS just secured a full-season order. “NCIS: ORIGINS is currently averaging 6.2 million total ...