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

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 ...

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

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

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 ...

Related Stories News Stephen Amell Auditioned For Young Gibbs In 'NCIS: Origins' Days Before His 'Suits L.A.' Audition News Mark Harmon Says He's "Fine" Stepping Back On 'NCIS: Origins': "I'm Just ...

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

Austin Stowell recently shared what it was like auditioning for his ‘NCIS: Origins’ role with Mark Harmon in the room.