Mark Harmon left his NCIS days behind three years ago, hanging up his badge as Agent Leroy Jethro Gibbs after almost two decades ...

Mark Harmon starred alongside Sean Connery in the 1988 flop that earned a 1.5-star rating from Roger Ebert and a 41% Rotten Tomatoes score.

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 ...

However, some rumors out there indicate that Mark Harmon, who played Leroy Jethro Gibbs on the show, had more clout than the ...

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 ...

One such instance is the apparent foreshadowing of a feud between stars Pauley Perrette and Mark Harmon. Perrette, who played ...