Except, of course, he did help cast it. Related: Mark Harmon on Why Austin Stowell Is the Perfect Young Leroy Jethro Gibbs ...

“I think they have laws against that now,” Consuelos added, and Harmon retorted, “Not then!” Related: Mark Harmon and NCIS: ...

While Mark Harmon re-immersed himself in the NCIS world recently, his departure from the original series almost tanked the show. Mark, who played Leroy Jethro Gibbs, decided to step down from the show ...

Kyle Schmid has fully embraced his role as “hippie cowboy” Mike Franks on NCIS: Origins, thanks to advice from both Mark Harmon and Muse Watson. “When I got the role, Mark Harmon reached out ...

Donald Bellisario and Mark Harmon allegedly butted heads because the leading actor had become upset over the series creator’s ...

Despite leaving the show to tackle a fresh challenge, Mark Harmon is apparently not against the idea of returning to the main ...

adding: "He's so good at allowing the people who are on this show to feel like they are supported." MORE: Mark Harmon's shirtless beach photo is worlds away from NCIS alter-ego Leroy Gibbs ...

For someone who said three years ago he was retiring, Mark's still very immersed in the ... He can't help himself! As of now, Harmon has only appeared in the first episode of Origins, but he ...

NCIS fans know the duo well from the parent show, where their older version solved many cases. Mark Harmon played Gibbs on NCIS; Austin Stowell now plays the younger Gibbs on NCIS: Origins.