Along with the late David McCallum, Mark Harmon is arguably the actor who's most commonly associated with the "NCIS" ...

Throughout Mark Harmon ’s run on the first 19 seasons of NCIS, the show would occasionally throw out a Gibbs Rule. Those are ...

NCIS showrunner Don Bellisario was initially hesitant to cast Mark Harmon as Leroy Jethro Gibbs, but was eventually convinced ...

Mark Harmon reveals one cop role that surpasses Gibbs in many ways, offering a new set of challenges and growth in his career.

Rule 4 — “The best way to keep a secret: Keep it to yourself. Second best: Tell one person—if you must. There is no third ...

resulting in Mark Harmon and Sean Murray being excellently lit as the episode was winding down. After the case they’d been working on wrapped up, Gibbs informed McGee that he’d decided to stay ...

You know these stars as members of the Naval Criminal Investigative Service, who spend their time investigating crimes ...

A nice side-effect of Harmon’s narration is that it helps with Stowell’s own performance as Gibbs. “When we do the table read, Mark is there. But I read the [narration] lines because it help ...

“Mark Harmon created this character that the world fell in love with. He did that for 20 years. I would be a fool not to try to take some of what he did and bring it to this version of Gibb ...

NCIS is a procedural drama that follows a team of investigators in the U.S. Navy and Marine Corps. Here's where you can watch ...