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

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

I'm not sure just how many NCIS fans expected Harmon to reprise his famous character, during which he'll appear in the Origins hour of the crossover that airs on Veterans Day. In a press release, ...

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

Mark Harmon is set to return to the NCIS universe in a special crossover event uniting NCIS and NCIS: Origins. The upcoming ...

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

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 ...

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

NCIS legend Mark Harmon revealed what initially drew him to the long-running naval procedural drama — and explained what ...

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

NCIS: Tony and Ziva spoilers tease Michael Weatherly (Tony DiNozzo) spills and reveals whether Mark Harmon will ever show up ...

Mark Harmon will make a guest appearance asa Leroy Jethro Gibbs in the November 11 episode of 'NCIS: Origins.' ...