Mark Harmon may have left NCIS, but he'll forever be synonymous with Supervisory Special Agent Leroy Jethro Gibbs. "Mark's always been part of the show, Mark's always going to be part of the show," ...

Leroy Gibbs' personal rules are part of the fabric of NCIS, and Rule 45, in particular, has directly informed lots of stories on the long-running series.

TV Insider spoke with the executive producers of NCIS: ORIGINS, Gina Lucita Monreal and David J. North, who hinted that ...

NCIS: Origins ‘ opening scene of the crossover caught up with Gibbs in Alaska, where he had been joined by a dog, before what ...

“NCIS” legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series “NCIS: Origins,” and he’s not coming alone. Harmon, 74, will make a rare guest appearance on “Origins” ...

"NCIS" legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series "NCIS: Origins," and he's not coming alone. Harmon, 74, will make a rare guest appearance on "Origins" ...

With NCIS setting up a return from a long-departed team member, it seems like the ideal time to bring back a fan-favorite ...

NCIS: Origins continues to build on what fans already love about the franchise by showcasing Gibbs during his early days at NCIS.

Marisa is a Senior News Author for Collider. She graduated from Western Kentucky University in 2018 after majoring in Creative Writing with a minor in Folk Studies. She grew up in Kentucky and ...