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

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 ...

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

This week’s episode of NCIS revolved around Thomas Butler, who was a captain in the U.S. Navy and now suffering from dementia ...

The following contains spoilers from the Nov. 11 episode of CBS’ NCIS: Origins. NCIS: Origins this week took steps towards ...

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