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

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

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

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Suits L.A.' actor Stephen Amell almost went for a different network spinoff show: 'NCIS: Origins," with both auditions for ...

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

Here's everything you need to know about who plays Young Gibbs on the NCIS: Origins cast. The new NCIS spin-off debuts soon.

Per TVLine, NCIS: Origins co-showrunner David J. North confirmed during a panel discussion that Harmon recently finished ...

The actor played Leroy Jethro Gibbs on 'NCIS' from 2003 to 2021 Ingrid Vasquez is a Digital News Writer at PEOPLE. She ...

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

Old and new faces are reporting for duty in new images for NCIS: Origins. Check out the latest looks at the series premiere.