We'll get to see more of modern-day Leroy Jethro Gibbs in the 'NCIS' prequel series — and he's no longer alone!

“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 ...

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

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

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

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

NCIS” legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series “NCIS: Origins,” and he’s not ...

But arguably the biggest reveal came with learning why Ducky talks to bodies, which we saw the late David McCallum did when ...

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