NCIS alum Mark Harmon is all aboard for a full-time return to the show in an attempt to save the ratings-challenged series ...

The Dolphin Tale star stepped into Mark Harmon's shoes last year, with the release of the NCIS prequel series NCIS: Origins, ...

NCIS: Origins star shares the meaningful advice Mark Harmon gave him while stepping into his role in the ongoing prequel series.

Mark Harmon is getting a brief stint on NCIS: Origins and the royal treatment from bosses, which has stars from the original series steamed and blasting the T.V. veteran for stealing their thunder.

Mark Harmon holds Jethro Gibbs close to his heart. After 18 years of playing the special agent on “NCIS,” Harmon exited the show as a series regular in 2021 but remained a series regular.

Warning! Spoilers ahead for the NCIS: Origins premiere. NCIS: Origins keeps things vague when it comes to Mark Harmon's location in the premiere and who old Leroy Jethro Gibbs may be talking to. A ...

Mark Harmon debuted as Gibbs back in 2003 during the JAG episodes “Ice Queen” and Meltdown,” which served as the NCIS backdoor pilot. The actor also appeared in four episodes of NCIS: New ...

Rocky Carroll shared how during one of his earliest NCIS scenes, Mark Harmon and other cast members pranked him by hiding toothpicks in their mouths. Skip to main content. Open menu Close menu.

CBS’s new NCIS spinoff series NCIS: Origins will explore the early career and life of Mark Harmon‘s Leroy Jethro Gibbs, this time portrayed by Austin Stowell.Though Harmon won’t be playing ...