Mark Harmon, who played the 'NCIS' lead Leroy Jethro Gibbs for 18 years, is returning for an appearance on ‘NCIS: Origins’ ...

The NCIS-verse has expanded, and Mark Harmon is still along for the ride. CBS announced in January that a sixth spinoff ...

It’s not supposed to be about old Leroy Gibbs — this is about his younger self coming up in the Naval Criminal Investigative ...

NCIS: Origins viewers will hear and see Mark Harmon when the CBS spinoff premieres. During a panel discussion with reporters ...

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Suits L.A.' actor Stephen Amell almost went for a different network spinoff show: 'NCIS: Origins," with both auditions for ...

Origins cast and character guide lists all the stars joining the new NCIS spinoff series based on a young Agent Gibbs.

Origins, we're gathering everything we know about the series that will give fans a glimpse into how Jethro became the Gibbs we love.

Even though Harmon will only serve as his character's narrator, he will actually be making a brief appearance in the two-hour ...

While it was previously announced that Harmon would return as older Gibbs to narrate the series, NCIS: Origins co-showrunner ...