Despite a potentially lucrative offer in hand, Mark Harmon opted to pen what he wanted with his writing debut.

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 ...

He's not the only NCIS star who has been creatively involved with their character. Michael Weatherly, who plays Tony DiNozzo, ...

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 ...

See Mark Harmon like you've never seen him before—delving into complex emotions and personal struggles in this medical drama.

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

That's right, we almost had "NCIS," starring Mark Harmon as, according to the actor, it was almost "Bob Johnson or something like that" a name that just screams, "meh." Read more: The Twilight ...

Stepping into Mark Harmon’s shoes isn’t easy. NCIS star made major sacrifices to honor his legacy — because this career ...

These actors have become so synonymous with their NCIS characters that some audience members might forget where they've seen ...

Is Mark Harmon coming back to NCIS? That’s one of the questions many fans have been asking. Harmon played Leroy Jethro Gibbs for many years on NCIS, but he retired the character during Alaska ...