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

For years, fans of the NCIS franchise have been hoping that Mark Harmon would make an appearance on the show that started it ...

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

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

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

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

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

NCIS actor Mark Harmon would help cast his successor in the upcoming prequel show Origins. After Stowell screen-tested for the role of Leroy Gibbs, Harmon told the actor what his next steps should be.

and Mark Harmon is still along for the ride. CBS announced in January that a sixth spinoff series of the long-running military-police procedural was on its way, and that the new show, called NCIS ...

The actor played Leroy Jethro Gibbs on 'NCIS ... show's Monday, Oct. 14 premiere, in addition to narrating the series and being one of its executive producers. Adam Taylor/CBS/Getty Mark Harmon ...

The actor played Leroy Jethro Gibbs on 'NCIS' from 2003 to 2021 Mark Harmon will be on hand to help introduce Leroy Jethro Gibbs' backstory. The actor, 73, who portrayed Gibbs on NCIS from 2003 to ...