Harmon, 74, and retired NCIS special agent Leon Carroll Jr. are releasing their upcoming book, Ghosts of Sicily: The True ...

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 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 ...

Leroy Jethro Gibbs looked back at his Origins — this time on camera. Appearing as Gibbs during the opening of Origins episode “Funny How Time Slips Away," Harmon, 74, reflected on three decades in the ...

“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” ...

(CBS) - Mark Harmon will make a special guest appearance as Leroy Jethro Gibbs on NCIS: Origins on Nov. 11. Harmon played Gibbs for 18 seasons on NCIS. In the crossover event airing on Veterans Day, ...

Thanks to his role on "NCIS" and others, Mark Harmon is a legit star in his own right. But he also comes from a family of ...

Ahead of the "NCIS" and "NCIS: Origins" crossover event on Nov. 11, 2025, fans had one question in mind: Would Mark Harmon's Gibbs share a scene with present-day Lala? Heading into the episode, all we ...

The NCIS star, who left the original series after 18 seasons in 2021, appears in the opening sequence of the prequel series as fans get a glimpse at his new friend in Alaska Appearing as Gibbs during ...