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

NCIS: Origins viewers will hear and see Mark Harmon when the CBS spinoff premieres. During a panel discussion with reporters ...

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

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

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

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

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

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 ...

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

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