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

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

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

Mark Harmon may need to remember Rule 6: Never say you're sorry. It's a sign of weakness.

NCIS: Origins co-creator David J. North has revealed that Mark Harmon does not recall a key detail long associated with the ...

Origins creators David J. North and Gina Lucita Monreal are dishing about what Harmon seemingly forgot about his iconic character.

Mark Harmon may have left NCIS, but he'll forever be synonymous with Supervisory Special Agent Leroy Jethro Gibbs. "Mark's always been part of the show, Mark's always going to be part of the show," ...

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 ...

Fans of the CBS drama got a sneak preview of Mark stepping back into Gibbs' shoes on Instagram. Mark spoke about whether he plans to return to the NCIS franchise in a full-time capacity. We're moments ...

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 ...

Mark Harmon’s departure from NCIS in 2021 marked the end of an era for fans of the beloved series. After portraying Supervisory Special Agent Leroy Jethro Gibbs for nearly two decades, Harmon’s exit ...