Actor Mark Harmon is developing a reputation for incessantly meddling with the production and cast of “NCIS: Origins.” He was ...

Mark Harmon made his anticipated comeback on NCIS: Origins as Leroy Jethro Gibbs ... Fans were happy to see one of the series ...

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, ...

Interestingly, Mark initially had disagreements with co-star Michael Weatherly when ... closing the chapter on her television career. Harmon's heroic act Many NCIS enthusiasts might be surprised ...

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 ...

Mark Harmon is an important part of NCIS: Origins. Pic credit ... Maybe Sean will guest star on the flagship show again if they ever do another flashback episode, but the role may slide over ...

I felt the room jump a little when Austin came in, before he said anything. . . . He walked out [of the audition] and someone said, ‘I'll just say it, that's a movie star.’ Harmon confirmed ...

That goes for the crew. He treats everyone with such respect." MORE: NCIS stars out of costume: Mark Harmon, Katrina Law, Brian Dietzen and more Mark, for his part, immediately felt the star powe ...

Mark Harmon‘s Leroy Jethro Gibbs anchored ... We got everybody we wanted.” NCIS: Origins also stars Mariel Molino, Kyle Schmid, Tyla Abercrumbie, Diany Rodriguez and Caleb Foote.