Before taking on the role of Leroy Jethro Gibbs on NCIS, Mark Harmon starred in Worth Winning, a comedy that has not stood ...

Mark Harmon returns to NCIS, but in a new and unique way. Here's the role he plays in the new prequel series, NCIS: Origins.

Mark Harmon's beloved character Leroy Jethro Gibbs appeared in NCIS season 22, episode 19 in a storyline involving Timothy ...

NCIS: ORIGINS has officially been renewed for Season 2, and many fans are wondering if Mark Harmon will return for the ...

A rule that Gibbs lives by, so much so that he named his boat Rule 91. In the season 18 finale, "Rule 91," Gibbs' boat was ...

Origins season 1 finale had a lot of shocking moments, but the worst was Mark Harmon's confession in the final moments of the ...

NCIS star Mark Harmon has been working in Hollywood for fifty years but has chosen to keep a low profile, living a quiet life with his wife, Pam Dawber, at their home in Brentwood, Los Angeles.

NCIS star Mark Harmon has revealed how he maintains his sanity and stardom in Hollywood.Reflecting on what kept him on the ...

The flagship NCIS series will now air at 8 PM on Tuesdays once again, followed directly by the newest entrant to the franchise, the second season of NCIS: Origins, a prequel series following Mark ...

NCIS: Origins season 1 ended with Gibbs meeting his second wife Diane, and she will appear in NCIS: Origins season 2.

Mark Harmon's Special Agent Leroy Jethro Gibbs left NCIS in season 19, but his legacy - and his 91 rules - still live on.