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

Mark Harmon is teaming up with a real NCIS agent for a fascinating new book. Harmon, 74, and retired NCIS special agent Leon ...

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 ...

"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" ...

After the success of their first two books, Ghosts of Honolulu and Ghosts of Panama, Harper Select will publish the next ...

Mark Harmon has been delighting fans of the crime series NCIS as the famous "Gibbs" since 2003. After 18 years playing the ...

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 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," ...

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 ...

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 ...

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 ...