CBS quietly ignores a potential NCIS spinoff featuring a character with deep history with Mark Harmon's Gibbs, leaving fans puzzled and curious.

The real reason Mark Harmon made the shocking decision to quit NCIS has been revealed. The 73-year-old actor played special ...

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

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

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 ...

Mark Harmon had one NCIS co-star he truly admired, praising their talent and unique presence in a rare moment of genuine ...

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 ...

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

Sydney. The network confirmed on Thursday, January 16, that NCIS: Sydney's return has been postponed by a week. NCIS: Sydney ...

David Osmond spoke with "NCIS" Star Mark Harmon and real-life retired NCIS Special Agent Leon Carroll Jr. about their latest ...

CBS's police procedural drama NCIS has had many memorable characters who have contributed to the show over the years.