Harmon’s return to the NCIS universe comes years after his exit.

Four years after retiring from NCIS, Mark Harmon is ready to return to active duty, an insider reveals. The actor, 74, played ...

In season 19, episode 4, the character solved a high-profile case in Alaska and made the decision to remain there rather than ...

Mark Harmon says fans will be “surprised” by his upcoming appearance in the upcoming NCIS and NCIS: ORIGINS crossover.

Mark Harmon is gearing up to return as Leroy Jethro Gibbs in the NCIS and NCIS: Origins crossover, releasing on November 11, ...

David J. North jokes to EW that Harmon's slip on the set of the recent "NCIS" crossover is "gonna destroy some fans' hearts." ...

Factoring in the father issues Sean Murray mentioned, it’s clear that McGee still thinks very highly of Gibbs after more than ...

Harmon has largely remained off screen in the NCIS universe in recent years but has still served as executive producer of ...

Mark Harmon’s Leroy Jethro Gibbs left his NCIS job to settle in Alaskan solitude while narrating his backstory on NCIS: ...

NCIS alum Mark Harmon opened up about returning to his Special Agent Leroy Jethro Gibbs character on NCIS: Origins ...

Thanks to an Instagram post from NCIS on November 6, viewers got a preview of Mark back in the role that put him on the TV ...

Aya Tsintziras is a freelance writer who writes about TV, movies, and has a particular interest in the horror genre. She has a Political Science degree from the University of Toronto and a Masters of ...