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

Mark Harmon, who played Leroy Jethro Gibbs on NCIS, talked about the early premise for NCIS, which was real cases.

Mark Harmon decided to leave NCIS to keep his acting career "fresh". Gibbs was replaced by FBI agent Alden Parker in NCIS season 19. Gibbs's final episode was emotional as he reflects on his family ...

Mark Harmon captained the flagship NCIS for 18 years ... and Samantha Russell on My Sister Sam. She and Mark reside in a $15 ...

While the cast has rotated quite a bit over that time, Leroy Jethro Gibbs, played by Mark Harmon, has been a staple of the long-running drama. He's one of the original characters introduced on the ...

Ducky's arguably oldest friend, Leroy Jethro Gibbs (Mark Harmon), doesn't appear in person to pay his respects. According to "NCIS" co-showrunner Steven D. Binder, a key reason for omitting Gibbs ...

After working together on the medical drama Chicago Hope, Rocky Carroll and Mark Harmon reunited on NCIS in 2008 when the latter came aboard to play Leon Vance in Season 5. The two actors remained ...