MarkHarmon holds Jethro Gibbs close to his heart. After 18 years of playing the special agent on “NCIS,” Harmon exited the show as a series regular in 2021 but remained a series regular.
Going into NCIS: Origins, we knew that we’d be hearing MarkHarmon ... We’re leaving any possibilities open,” says North. What did you think of Harmon’s onscreen appearance in the ...
Longtime NCIS star MarkHarmon's son Sean Harmon is not reprising ... Mark, 73, played special agent Jethro Gibbs on NCIS for 18 years before leaving the franchise as a series regular in ...
Mark didn't get off to a great start with his NCIS ... leaving him needing 15 stitches. "In Pauley Perrette's case, there was an incident with the show with a dog. The dog was MarkHarmon ...