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 ...

I get feedback that a lot of times it's Mark's VO that brings people to tears, and I know just what his Gibbs voice means to ...

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

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

Mark Harmon did not grow up in a show business family, but instead, played football through college, and that athletic ...

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

Mark Harmon left the series in season 19, but his character's life advice lives on years later Leroy Jethro Gibbs (Mark ...

The failure of the 1989 romantic comedy 'Worth Winning' forced 'NCIS' star Mark Harmon to return to television for good.

It was in 2003 that NCIS first aired on CBS, introducing a team of special agents from the Naval Criminal Investigative Service. They investigate crimes involving the U.