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

Instead, Austin Stowell, who may look familiar to you from his other projects, is the new young Gibbs. If you're among those curious why Sean didn't return, this is why Mark Harmon's son doesn't ...

As for Mark Harmon himself, his age is pretty close to ... If you're wondering why young Gibbs from "NCIS: Origins" looks so ...

NCISstar Mark Harmon embarked on a feature film career with the 1987 comedy film Summer School, which was a modest box-office success and served as an effective showcase for the 1980s charm and ...

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