T hroughout the history of "NCIS," Special Agent Leroy Jethro Gibbs (Mark Harmon, Austin Stowell) has followed a strict set of rules, edicts that also inform the wisdom he imparts

WHAT IT'S ABOUT The last time we saw Leroy Jethro Gibbs (Mark Harmon) of the Naval Criminal Investigative Service was on the episode that aired Oct. 11, 2021, when he hugged it out with old friend and colleague Tim McGee (Sean Murray) after telling him that he wasn't going back home with him.

Despite 'heavy competition' for the role, Harmon knew Stowell was a star when he saw him. NCIS producer and star Mark Harmon knew he'd found his young Leroy Jethro Gibbs the first moment he laid eyes on him.

In an era when few streaming shows last beyond a single season, over on network TV, sturdy if faintly overheated procedurals like “NCIS” are still going strong. The first 18-plus

Paramount Global Content Distribution has landed in Cannes with a new NCIS for international buyers, NCIS: Origins. Ahead of the event, Deadline spoke to the team behind it: Mark Harmon, the original Leroy Jethro Gibbs and an exec producer on the new show,

Long running series 'NCIS' spawns another spin-off with 'NCIS: Origins,' which delves into Gibbs' early years.

Origins is great news for the franchise after his NCIS exit, but it also sets up a big problem for the prequel.

Mark Harmon remains an important component of the NCIS Universe, even though he is no longer starring on the flagship show. NCIS fans already knew Mark was part of the new prequel show, but nearly everyone thought it would only be behind the scenes.