Harmon, 74, will make a rare guest appearance on "Origins" as Gibbs, the character he played for 18 "NCIS" seasons, during ...

Mark Harmon is making an on-screen return to the NCIS universe. Harmon will guest star in an episode of NCIS: Origins on Nov.

NCIS' star Mark Harmon is reprising the role of Leroy Jethro Gibbs in an upcoming Veteran's day crossover episode of 'NCIS: ...

"NCIS: Origins" will catch up with present-day Leroy Jethro Gibbs as part of its big crossover with the flagship series in ...

In the first look at Harmon’s return, his present-day version of Gibbs is seen pouring himself a drink. This marks a rare ...

The veteran actor, 74, will be guest starring in the first-ever NCIS and NCIS: Origins crossover event on Tuesday, Nov. 11.

The crossover event begins on Origins will Gibbs ( Austin Stowell) and the NIS team investigating the small-town death of a ...

Gibbs gets a visitor at Camp Pendleton from DC Headquarters in a new NCIS: Origins Season 2, Episode 3 sneak peek. See the ...

The original Leroy Jethro Gibbs is about to make a comeback. Mark Harmon is set to reprise the role he played for 18 seasons ...

"Great News" and "Mixology" alum Adam Campbell told UPI he was honored to reprise his "NCIS" character on this week's episode ...

Adam Campbell ’s return to the NCIS universe as young Donald “Ducky” Mallard on NCIS: Origins will pay homage to the OG ...