NCIS alum Mark Harmon is set to return to the long-running CBS series for a special crossover event between the procedural ...

Fans will finally be able to see Mark Harmon's grand return to the part of Leroy Jethro Gibbs in an ambitious crossover ...

Discover What’s Streaming On: 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 ...

Mark Harmon will return to NCIS as Gibbs in CBS’ epic NCIS x NCIS: Origins crossover event episodes. Here’s what we know.

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‘s Leroy Jethro Gibbs anchored NCIS for 18 years. Now, as the executive producer and narrator of its prequel series NCIS: Origins, he just could sense that Austin Stowell was fit to Gibbs’ ...

Mark Harmon, widely known for playing Special Agent Leroy Jethro Gibbs on the hit CBS drama "NCIS," is stepping behind the camera as the executive producer and narrator of a new spin-off prequel, ...

Television NCIS: Origins’ Co-Showrunner Explains Why Austin Stowell Was A Great Fit To Succeed Mark Harmon As Gibbs, And It’s Making Me More Excited For Season 2 Television NCIS And NCIS: Origins Are ...

Natalie Morales is a CBS News correspondent and "48 Hours" contributor based in Los Angeles. Analisa Novak is a content producer for CBS News and the Emmy Award-winning "CBS Mornings." She specializes ...

Harmon left NCIS on a strong note. The veteran actor had been playing Leroy Jethro Gibbs ever since its 2003 inception. After so many years starring in the show, Harmon rode off into the sunset ...