Fans will finally be able to see Mark Harmon's grand return to the part of Leroy Jethro Gibbs in an ambitious crossover ...

Mark Harmon returns as Leroy Jethro Gibbs in the highly anticipated NCIS and NCIS: Origins crossover event airing November 11, 2025. The two-hour special connects Gibbs’ past and present as both teams ...

Mark Harmon loved doing the cameo on NCIS: Origins and his involvement has whetted his appetite for more work in the franchise and elsewhere, a source exclusively tells Closer. “He finds working with ...

In the first look at Harmon’s return, his present-day version of Gibbs is seen pouring himself a drink. This marks a rare ...

Mark Harmon may be making a return to the acting world. A new article from the National Examiner says the actor is “bored” with his semi-retirement, which is why he is soon to appear on a new episode ...

Mark Harmon, who spent 18 seasons on "NCIS," is reprising his role as special agent Leroy Jethro Gibbs for a crossover event.

When Mark Harmon first read the guest role of Naval Criminal Investigative Service special agent Leroy Jethro Gibbs on JAG in 2003, one thing stood out immediately. "The name caught me," Harmon, who ...

NCIS star Mark Harmon already built up a close and tight partnership with his co-stars. So when there were talks of adding another member to the team, Harmon wasn’t initially convinced it would’ve ...

Harmon, 74, will make a rare guest appearance on "Origins" as Gibbs, the character he played for 18 "NCIS" seasons, during ...

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 appear as Gibbs ("and he's no longer alone!") in the Nov. 11 episode of "NCIS: Origins," part of a crossover ...