Mark Harmon once discussed the likelihood of appearing in a hypothetical series finale for the long-running ‘NCIS’.

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

NCIS: Origins isn't just exploring Gibbs when he was younger - the prequel also features Mark Harmon reprising his role as ...

NCIS: Origins has been confirmed to feature an appearance from Mark Harmon as Leroy Jethro Gibbs, with fans set to see the ...

Mark Harmon is finally confirmed to return as Leroy Jethro Gibbs more than three years after his last appearance as the ...

CBS announced in January that a sixth spinoff series of the long-running military-police procedural was on its way, and that ...

"My actual focus that week was on an audition that I had on Wednesday for the prequel to NCIS. It was playing the younger version of [Mark Harmon's Leroy Jethro Gibbs]. One was via Zoom, and this ...

F or nearly two decades, Leroy Jethro Gibbs served as the main protagonist on NCIS, and now the character will soon be taking ...

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

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