The actor steps back into his fan-favorite role in the special 'NCIS'/'NCIS: Origins' Veterans Day crossover episode airing ...

NCIS: Origins co-creator David J. North has revealed that Mark Harmon does not recall a key detail long associated with the ...

You’ll also catch this anti-pointing hand movement as you leave the parks after fireworks or large parade crowds where mass ...

Hello, my brother.” That’s how Leroy Jethro Gibbs (Mark Harmon) greeted Dwayne Pride (Scott Bakula) on NCIS in the backdoor ...

Mark Harmon’s Leroy Jethro Gibbs left his NCIS job to settle in Alaskan solitude while narrating his backstory on NCIS: ...

Watch the extended promo for the first crossover event between NCIS and NCIS: Origins, featuring Mark Harmon's return as ...

Co-showrunners David J. North and Gina Lucita Monreal break down the making of the crossover episodes, including that Mark ...

Origins, Austin Stowell plays the younger version of Leroy Jethro Gibbs, allowing viewers to witness how Gibbs’s character ...

Well-known NCIS star Emily Wickersham had a long-running streak as Eleanor Bishop, aka Ellie, for the iconic CBS procedural, ...

(CBS) - Mark Harmon will make a special guest appearance as Leroy Jethro Gibbs on NCIS: Origins on Nov. 11. Harmon played ...

The transition between Mark Harmon and Auston Stowell's faces as the older and younger Gibbs directly speaks to an ongoing ...

Harmon’s return to the NCIS universe comes years after his exit.