Mark Harmon's Leroy Jethro Gibbs on NCIS is one of the most beloved characters of NCIS. While Harmon exited the show several times, those breaks were brief, and he was always back.

With the exception of his cameo earlier this year in the NCIS episode honoring the late David McCallum, it’s been nearly a ...

NCIS (Naval Criminal Investigative Service) wouldn't be the massively successful procedural drama it is today without Leroy Jethro Gibbs (Mark Harmon). For most of the show's 22-season and 20-plus ...

NCIS: Origins delves into the backstory of Special Agent Leroy Jethro Gibbs, who served as the protagonist of the original NCIS series for 19 seasons.

During an interview, Mark Harmon revealed that he purposely made Leroy Jethro Gibbs a character full of mystery.

Warning: SPOILERS for the NCIS: Origins episode “Blue Bayou” are ahead!

Origins return date and first season episode count are addressed as the show begins its first winter hiatus at CBS.

Behind the NCIS cameras, a dog bite sparked a bitter feud between co-stars Mark Harmon and Pauley Perrette. Mark Harmon and ...

Mariel Molino as Cecilia “Lala” Dominguez and Austin Stowell as Leroy Jethro Gibbs. Robert Voets/CBS ©2024 CBS Broadcasting, Inc. SPOILER ALERT! This story contains plot points from Monday ...

The following contains spoilers from the Dec. 16 fall finale of CBS’ NCIS: Origins. NCIS: Origins with its first Christmas ...

EXCLUSIVE: Up until this week, fans of the NCIS franchise were led to believe that it was Mike Franks who had the biggest ...