Mark Harmon had a 'serious' relationship with actress Cristina Raines years before meeting the love of his life.

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

Mark Harmon had a "serious" relationship with actress Cristina Raines years before meeting the love of his life. Ahead of the ...

CBS is breaking a cardinal NCIS rule this network TV cycle by doing it very first recasting, but the move is justified by a ...

NCIS: Origins will be back for a third season at CBS in just a few weeks! Fans will be thrilled […] ...

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

Jethro Gibbs was the most irreplaceable character in NCIS, and without Mark Harmon, it's a completely different show.

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

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 ...

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 ...

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

EXCLUSIVE: CBS’ NCIS: Origins is heading to the ’90s with the return of Mark Harmon as Leroy Jethro Gibbs for a season-long arc beginning with the show’s premiere on Tuesday, October 6 at 10 p.m.