NCIS: Origins' is the latest CBS series going through offscreen changes — with the prequel losing a showrunner after two ...

Mark Harmon continues his collaboration with former special agent Leon Carroll Jr. in their groundbreaking NCIS book series!

The prequel follows Gibbs' early days at NIS.

'Ghosts of Sicily' hits shelves on April 14 ...

Harmon, who played Gibbs for 18 seasons on “NCIS,” is the narrator of “NCIS: Origins,” but a Veteran’s Day crossover event will mark his first on-screen appearance since the prequel series’ 2024 pilot ...

Mark Harmon may have left NCIS, but he'll forever be synonymous with Supervisory Special Agent Leroy Jethro Gibbs. "Mark's always been part of the show, Mark's always going to be part of the show," ...

Mark Harmon’s narration about Ducky As with every episode, Mark Harmon provides the opening and closing narration, and it’s the latter that’s especially emotional. The episode reveals just how Ducky ...

Oct. 28 (UPI) --NCIS legend Mark Harmon is to guest star as his character, Leroy Jethro Gibbs, on the prequel, NCIS: Origins, next month. Harmon is heard narrating the 1990s spin-off, which is now in ...

[Warning: The below contains MAJOR spoilers for NCIS: Origins Season 2 Episode 3 “The Edge.”] “He always had a way of knowing who I was meant to be.” So says Mark Harmon in the emotional voiceover ...