NCIS fans have been waiting for years for the show's beloved icon, Mark Harmon, to confirm an announcement they've been ...

Mark Harmon is “bored” with his semi-retirement, a source tells Examiner. The actor, 74, recently guest-starred on a ...

CBS announced that Mark Harmon will reprise his role as Leroy Jethro Gibbs in an upcoming guest appearance on 'NCIS' and ...

Mark Harmon wore a special detail in a glimpse of his return as Special Agent Leroy Jethro Gibbs for NCIS: Origins ...

Mark Harmon will reprise his iconic Leroy Jethro Gibbs role in the flagship series. His return will be featured in a special (and first-ever) crossover event between NCIS: Origins Season 2 and the ...

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 ...

NCIS alum Mark Harmon is set to return to the long-running CBS series for a special crossover event between the procedural ...

"NCIS" legend Mark Harmon is to guest star as his character, Leroy Jethro Gibbs, on the prequel, "NCIS: Origins," next month.