From St Elsewhere to Chicago Hope, and most famously as Leroy Jethro Gibbs on NCIS, audiences have been watching Mark Harmon ...

EXCLUSIVE: CBS’ NCIS: Origins is heading to the ’90s with the return of Mark Harmon as Leroy Jethro Gibbs for a season-long ...

CBS gave fans their first real look this week at just how big Mark Harmon's Season 3 return to NCIS: ORIGINS will be. The ...

Five years after he left NCIS, Mark Harmon returns as Leroy Jethro Gibbs for a special season-long, 10-episode arc on prequel ...

With Harmon back in the fold in front of the camera, there's already a lot to look forward to in NCIS: Origins Season 3. We ...

Origins Season 3. Seasoned fans were delighted to learn that Harmon will finally be returning as Leroy Jethro Gibbs in the ...

NCIS creator Don Bellisario nearly passed over Mark Harmon for the role of Leroy Jethro Gibbs, the gruff former Marine ...

Never let it be said that Donald Bellisario was incapable of changing his mind — his original vision for Gibbs was quite a ...

Mark Harmon returns as Gibbs throughout NCIS: Origins Season 3, with his Alaska retirement disrupted by a mystery tied to his ...

Mark Harmon will take on a significantly larger on-screen role in Season 3 of NCIS: Origins, reprising Leroy Jethro Gibbs ...

Mark Harmon is returning as Gibbs on the 2026 TV schedule, with live-action appearances as his beloved character on NCIS: ...