Before Mark met and fell for Pam in the mid '80s, he had worked on a huge property transformation. According to the NCIS star ...

Sean Harmon, son of Mark Harmon, came up with the concept for NCIS: Origins while playing young Gibbs. Now, the prequel ...

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

Despite Pauley Perrette's status among NCIS fans, her earnings from the show are nowhere close to that of Mark Harmon.

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 ...

NCIS' Mark Harmon reportedly shares many similarities with his character in the series Leroy Jethro Gibbs, including his biggest hobby.

I would say that at this point, this pertains more to Gibbs than to me, that I’ve got some very trusty voices in my head right now — one of them being Mark Harmon, who’s been a sage to me ...

“My wife believed we all should have a code to live by, a set of rules,” Mark Harmon says in a voiceover on NCIS: Origins. “And I believed in her. So for years, I wrote my own rules down on ...

KUTV — David Osmond spoke with "NCIS" Star Mark Harmon and real-life retired NCIS Special Agent Leon Carroll Jr. about their latest book, "Ghosts of Panama." The bestselling authors are ...

Star of screen, television, and stage, Mark Harmon is now taking on the publishing world again with his latest book, Ghosts of Panama, which follows his first book, Ghosts of Honolulu. He's joined ...