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

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," ...

The transition between Mark Harmon and Auston Stowell's faces as the older and younger Gibbs directly speaks to an ongoing debate about NCIS: Origins.

Mark Harmon is married to former actress Pam Dawber. She is from Detroit and started out as a model. She has recently ...

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 ...

NCIS: Origins Season 2 Episode 7 will air on December 2 on CBS. Fans of the prequel show can mark their calendars for this ...

Well, this is certainly going to make the NCIS and NCIS: Origins crossover even more special: Mark Harmon is reprising his role as Leroy Jethro Gibbs in the first hour. CBS announced the news of ...

Harmon will make a special guest appearance as Leroy Jethro Gibbs on the Tuesday, November 11, episode of NCIS: Origins, the network announced on October 28. In the crossover – which will air on ...