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 ...

Despite its long run on TV, this series shows few signs of slowing down, as viewers can't get enough of their favorite ...

Despite the absence of actor Mark Harmon as Leroy Jethro Gibbs since season 19 in 2021, the show's popularity hasn't waned, ...

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