Once the most watched show on TV, it has plunged to No. 10, which insiders say has sent execs into crisis mode. But the 73-year-old star, whose career has been defined by the series, believes he can ...

Mark Harmon has a brand new role! The 73-year-old may be best known for playing Leroy Jethro Gibbs on NCIS, but a rare family update has revealed he's now a grandfather. His daughter-in-law, Courtney ...

Mark Harmon will reprise his "NCIS" role of Leroy Jethro Gibbs this week, a return that the TV legend said brought him back to the "tough" early days of the CBS franchise. Tuesday's crossover event ...

Now that we’re going to see Mark Harmon onscreen again as Leroy Jethro Gibbs, what are the chances he reprises the role again in the future? He’s appearing in the Tuesday, November 11, NCIS and NCIS: ...

"NCIS" legend Mark Harmon is bringing his OG Leroy Jethro Gibbs character to the prequel series "NCIS: Origins," and he's not coming alone. Harmon, 74, will make a rare guest appearance on "Origins" ...

Oct. 28 (UPI) --NCIS legend Mark Harmon is to guest star as his character, Leroy Jethro Gibbs, on the prequel, NCIS: Origins, next month. Harmon is heard narrating the 1990s spin-off, which is now in ...

Article Summary Mark Harmon makes a special return as Gibbs for the NCIS and NCIS: Origins crossover event tonight. The two-hour crossover spans 30 years and features timeslot swaps for NCIS and NCIS: ...

Fan favorite Mark Harmon's guest-star spot on NCIShas whetted his appetite for a major career comeback, RadarOnline.com can reveal. The star, who retired from the show four years ago, reprised his ...

NCIS: Origins ‘ opening scene of the crossover caught up with Gibbs in Alaska, where he had been joined by a dog, before what Austin Stowell, who stars as the character in the ’90s, calls an ...

His appearance will be part of a crossover between the prequel and the flagship series. By Rick Porter Television Business Editor The crossover will find the younger Gibbs and the NCIS team ...