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

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

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

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

According to TVLine and Deadline, NCIS: Origins co-showrunner David J. North revealed during a panel discussion with ...

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

Austin Stowell will take over as a young Leroy Jethro Gibbs in NCIS: Origins, but not before the baton is officially passed.

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NCIS: Origins is all set to hit the screens as a prequel to the twenty-one seasons long series, NCIS. The original series and the prequel series both belong to the NCIS franchise.

Origins' first trailer, and it admits that the prequel will have a difficult time succeeding without Mark Harmon's appearance ...

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