Fan favorite Mark Harmon's guest-star spot on NCIShas whetted his appetite for a major career comeback, RadarOnline. com can ...

Mark Harmon is reportedly feeling the pull of Hollywood once again.According to a new report from RadarOnline.com, the ...

The upcoming NCIS and NCIS: Origins crossover brings Mark Harmon back onscreen as Leroy Jethro Gibbs, though his presence remains a constant part of the prequel. He serves as an executive producer and ...

Mark Harmon didn’t confirm a full-time return as Gibbs after the NCIS: Origins crossover, but he didn’t rule it out either. When asked if he would appear again, Harmon told TV Insider, “I don’t know.” ...

NCIS star Bart Johnson expressed the immense gratitude he has for Mark Harmon's wife and actress Pam Dawber with HELLO!

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 ...

Lade Omotade is a News Author at Collider with a passion for exploring the ever-evolving world of the Film & TV industry. Her work centers on covering the latest news, from casting announcements and ...

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 ...

(CBS) - Mark Harmon will make a special guest appearance as Leroy Jethro Gibbs on NCIS: Origins on Nov. 11. Harmon played Gibbs for 18 seasons on NCIS. In the crossover event airing on Veterans Day, ...