The Mark Harmon from 'NCIS' is virtually unrecognizable as a dimwitted high school teacher in 'Summer School.' ...

Mark Harmon was drawn to playing Gibbs on NCIS because of the character's name Leroy Jethro Gibbs. Leroy Jethro Gibbs is an ...

An actor who appeared as a very popular character on the long-running series NCIS actually has a real degree in criminology.

Mark Harmon's beloved character Leroy Jethro Gibbs appeared in NCIS season 22, episode 19 in a storyline involving Timothy ...

NCIS Season 22 wrapped up earlier this month on the 2025 TV schedule, with the finale delivering a devastating moment for ...

Mark Harmon was the dependable and iconic face of the NCIS franchise, particularly its flagship show. He portrayed Leroy ...

Before taking on the role of Leroy Jethro Gibbs on NCIS, Mark Harmon starred in Worth Winning, a comedy that has not stood ...

Mark Harmon left the series in season 19, but his character's life advice lives on years later Leroy Jethro Gibbs (Mark ...

NCIS alums Michael Weatherly and Cote de Pablo are set to return as Tony DiNozzo and Ziva David in the upcoming spin-off NCIS ...

Photo' features Robin Williams' creepiest performance and showcases Gary Cole's impressive acting versatility.

Alden Parker came onto the NCIS scene as an FBI agent whom Harmon’s Leroy Jethro Gibbs ... maybe it was two episodes after Mark left, it was kind of a regular routine scene in the squad room ...