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 ...

As already mentioned, we’ve known that Harmon’s voice will be present throughout NCIS: Origins since the older Gibbs will be ...

Play now! In a November 2023 conversation with PEOPLE, Harmon reflected on his tenure on the beloved show and e ...

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

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

NCIS: Origins explores the backstory of young Leroy Jethro Gibbs, who will be played by Austin Stowell. Will Mark Harmon, who ...

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

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

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

And so far, they’re all doing just fine. NCIS: Origins’ arrival comes three years after Mark Harmon departed NCIS in Season 19’s fourth episode, titled “Great Wide Open.” Having already ...