The 'LA' star is now an exec producer on the prequel.

Caleb Foote as Bernard "Randy" Randolf, Mariel Molino as Cecilia "Lala" Dominguez, Austin Stowell as Leroy Jethro Gibbs, and Kyle Schmid as Mike Franks — 'NCIS: Origins' Season 2 Episode 5 "Funny How ...

Mark Harmon is coming back as Gibbs through all of Season 3 of "NCIS: Origins." How will that work? "You'll see," Harmon says ...

Gibbs (Mark Harmon) was a man of few words on the mothership for 19 seasons. But with NCIS: Origins, we’re getting to see parts of his life we either barely heard about or never knew existed. And the ...

Curious about whether NCIS: Origins will return for Season 3 or not? The gripping prequel dives into the early career of a young Leroy Jethro Gibbs. It explores the roots of the iconic NCIS universe ...

Mark Harmon is once again going to play Leroy Jethro Gibbs on the small screen. Variety has learned that Harmon will play the iconic character in a season-long arc of the upcoming third season of ...

Original "NCIS" star Mark Harmon will reprise Leroy Jethro Gibbs in "NCIS: Origins" Season 3, which premieres on CBS and ...