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

In the world of NCIS, Special Agent Leroy Jethro Gibbs, portrayed by Mark Harmon and in his younger version by Austin Stowell ...

“I think they have laws against that now,” Consuelos added, and Harmon retorted, “Not then!” Related: Mark Harmon and NCIS: ...

Amanda Seyfried traded the Big Apple for country life — and doesn’t regret it one bit. "I moved upstate long before I had a ...

Viral sensation Pesto the penguin is showing off a new look these days as he starts molting his baby feathers.

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

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

Warning: SPOILERS for the NCIS: Origins episode “Incognito” are ahead!