He can't help himself! As of now, Harmon has only appeared in the first episode of Origins, but he could show up in more, especially since the series was picked up for a full season. He's got opinions to share with the younger generation and is not afraid to dish out report cards and judgment from afar.

Mark Harmon made his anticipated comeback on NCIS: Origins as Leroy Jethro Gibbs. The actor left NCIS at the beginning of season 19 but came back in the new spin-off. Despite his departure, Mark acts as an executive producer and narrator on the series ...

Mark Harmon may have retired from NCIS in 2021, but he thinks he’s still on the job and his meddling behavior is getting on the nerves of the cast and crew, a source exclusively tells Closer. The silver fox,

A: Sean Harmon, the elder son of Mark Harmon and Pam Dawber, did indeed appear as a younger version of his father’s character in seven episodes of “NCIS.” But Mark recently told Variety that Sean chose not to act in the prequel series — even though it was Sean’s idea and he is an executive producer on “Origins.”

Meddling Mark Harmon may have retired from NCIS in 2021, but Knewz.com can reveal insiders say he thinks he’s still on the job, and his buttinski behavior is getting on the nerves of the cast and crew.