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

The Season 16 finale, "Daughters," marks Cote de Pablo's return to NCIS, as she suddenly appears, alive and well, in front of her longtime friend and superior officer, Leroy Jethro Gibbs (Mark Harmon) ...

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

Here’s everything we know about the upcoming prequel, NCIS: Origins. NCIS: Origins is a series that takes place in the 90s and follows Leroy Jethro Gibbs as he starts out as a rookie NCIS agent at ...

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 ...

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

"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 ...

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