Fan favorite Mark Harmon's guest-star spot on NCIShas whetted his appetite for a major career comeback, RadarOnline. com can ...

Four years after leaving the “NCIS” franchise, Mark Harmon is reprising his role as Leroy Jethro Gibbs on an upcoming episode of “NCIS: Origins.” Harmon provides narration for “NCIS: Origins,” which ...

Mark Harmon will reprise his “NCIS” role of Leroy Jethro Gibbs this week, a return that the TV legend said brought him back to the “tough” early days of the CBS franchise. Tuesday’s crossover event ...

Mark Harmon was the glue that held the NCIS ensemble together for 19 seasons. As a result, fans have been begging for a comeback of sorts for the beloved star, Leroy Jethro Gibbs, ever since. The ...

His appearance will be part of a crossover between the prequel and the flagship series. By Rick Porter Television Business Editor The crossover will find the younger Gibbs and the NCIS team ...

"NCIS" legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series "NCIS: Origins," and he's not coming alone. Harmon, 74, will make a rare guest appearance on "Origins" ...

Is someone going to be joining Gibbs (Mark Harmon) in Alaska on NCIS: Origins?! That’s a valid question after a recent episode-ending voiceover on the prequel — and if you had it, you’re not alone. In ...

Fans of the CBS drama got a sneak preview of Mark stepping back into Gibbs' shoes on Instagram. Mark spoke about whether he plans to return to the NCIS franchise in a full-time capacity. We're moments ...