The dwindling love for "NCIS" has reportedly pushed the series' former star and executive producer, Mark Harmon, to reconsider his semi-retirement. The Hollywood veteran, per sources, can no longer ...

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 has a brand new role! The 73-year-old may be best known for playing Leroy Jethro Gibbs on NCIS, but a rare family update has revealed he's now a grandfather. His daughter-in-law, Courtney ...

Actor Mark Harmon played Leroy Jethro Gibbs on NCIS for 19 seasons. The former CBS star became a first-time grandfather earlier in 2025. Mark's daughter-in-law Courtney Prather revealed she and ...

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 ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. I'm not sure just how many NCIS fans expected Harmon to reprise his famous character, during ...

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 ...