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

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

The upcoming NCIS and NCIS: Origins crossover brings Mark Harmon back onscreen as Leroy Jethro Gibbs, though his presence ...

NCIS' star Mark Harmon is reprising the role of Leroy Jethro Gibbs in an upcoming Veteran's day crossover episode of 'NCIS: ...

Origins, and he won't be alone in Alaska, prompting a fan theory about Lala Dominguez to circle the development.

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 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 is returning to the NCIS universe and he won't be alone! CBS and the beloved actor dropped all the details.

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

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