Mark Harmon decided to leave NCIS to keep his acting career "fresh". Gibbs was replaced by FBI agent Alden Parker in NCIS ...

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

Mark Harmon captained the flagship NCIS for 18 years ... per episode and Wilmer Valderrama is currently thought to take home ...

NCIS star Mark Harmon already built up a close and tight ... After the audition, Bellisario wanted Weatherly to take de Pablo ...

The real reason Mark Harmon made the shocking decision to quit NCIS has been revealed. The 73-year-old actor played special agent Leroy Jethro Gibbs on the hit CBS show for almost 20 years before ...

Mark Harmon played his NCIS character Leory Gibbs in the prequel NCIS: Origins season 1 premiere, and he also narrates the ...

But the decision, which would be a no-brainer in the post-COVID age, was met with pushback from Harmon according ... of ...

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 ...