Mark Harmon, an American actor, producer, writer, former football player, and director, is best known for portraying Leroy Jethro Gibbs in NCIS.

When Mark Harmon initially read the script for the long-running drama series "NCIS," he was immediately drawn in, and the ...

Mark Harmon may have left NCIS, but he'll forever be synonymous with Supervisory Special Agent Leroy Jethro Gibbs. "Mark's always been part of the show, Mark's always going to be part of the show," ...

Mark Harmon's son, Sean, portrayed a younger version of his father's "NCIS" character several times, so why didn't he reprise the role for "NCIS: Origins"?

"NCIS" legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series "NCIS: Origins," and he's not coming alone. Harmon, 74, will make a rare guest appearance on "Origins" ...

The upcoming NCIS and NCIS: Origins crossover brings Mark Harmon back onscreen as Leroy Jethro Gibbs, though his presence remains a constant part of the prequel. He serves as an executive producer and ...

Harmon, who played Gibbs for 18 seasons on “NCIS,” is the narrator of “NCIS: Origins,” but a Veteran’s Day crossover event will mark his first on-screen appearance since the prequel series’ 2024 pilot ...

LOS ANGELES — Before he started filming “NCIS: Origins,” actor Austin Stowell did a deep dive into the original series. He watched countless episodes and paid attention to the way original star Mark ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. People don’t remember this, but ‘NCIS’ wasn’t a jump-off hit. We struggled, and sometimes the ...

Mark Harmon may have left NCIS, but he'll forever be synonymous with Supervisory Special Agent Leroy Jethro Gibbs. Harmon brought Gibbs to life for nearly two decades. The character first appeared on ...