TVLine is bringing you an exclusive first look of NCIS star Mark Harmon's appearance as Gibbs in Tuesday's NCIS: Origins ...

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

There's just one catch to the news that Mark Harmon will finally reprise his iconic Leroy Jethro Gibbs character for a decade ...

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 ...

Harmon will return in the flesh for a special crossover event on Tuesday, Nov. 11. For one night only, “NCIS” and “NCIS: ...

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 ...

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

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

The veteran actor, 74, will be guest starring in the first-ever NCIS and NCIS: Origins crossover event on Tuesday, Nov. 11.

“He always had a way of knowing who I was meant to be.” So says Mark Harmon in the emotional voiceover that caps off the NCIS: Origins serving as a tribute to the late David McCallum, with Adam ...

Mark Harmon is making a comeback to the NCIS franchise. CBS announced that the actor will return as Leroy Jethro Gibbs for the upcoming crossover event between NCIS and NCIS: Origins. Harmon starred ...