Five years after he left NCIS, Mark Harmon returns as Leroy Jethro Gibbs for a special season-long, 10-episode arc on prequel ...

EXCLUSIVE: CBS’ NCIS: Origins is heading to the ’90s with the return of Mark Harmon as Leroy Jethro Gibbs for a season-long ...

With Harmon back in the fold in front of the camera, there's already a lot to look forward to in NCIS: Origins Season 3. We ...

Check out some first looks at Mark Harmon making his return as Gibbs for the third season of CBS's Austin Stowell-starring ...

Mark Harmon is returning full-time to NCIS nearly seven years after he retired as Leroy Jethro Gibbs, & the first-look photos ...

Mark Harmon last appeared as the character in a November 2025 episode of the prequel series CBS Mark Harmon's Gibbs is getting more screen time. CBS announced Tuesday, June 30, that the NCIS alum, 74, ...

'He created the DNA of how our show was going to run,' said Brian Dietzen.

NCIS creator Don Bellisario nearly passed over Mark Harmon for the role of Leroy Jethro Gibbs, the gruff former Marine ...

Mark Harmon is returning as Gibbs on the 2026 TV schedule, with live-action appearances as his beloved character on NCIS: ...

Mark Harmon will take on a significantly larger on-screen role in Season 3 of NCIS: Origins, reprising Leroy Jethro Gibbs ...

July 1 (UPI) --Mark Harmon will return to the world of NCIS in NCIS: Origins Season 3. Harmon, who starred as Leroy Jethro Gibbs for 18 seasons of NCIS, will reprise the character in the upcoming ...

Mark Harmon is heading back into the NCIS universe in a big way. CBS announced Tuesday that the actor behind Leroy Jethro Gibbs will return in season 3 of the prequel series NCIS: Origins. Harmon will ...