Mark Harmon fans have been in for a treat this month as his iconic NCIS character ... The happy and relaxed photo is worlds away from Gibbs' life, which is explored in the new prequel.

After almost 20 seasons, Leroy Jethro Gibbs left NCIS. Mark Harmon may have left the show, but this isn't the end for Gibbs.

Mark Harmon holds Jethro Gibbs close ... Austin Stowell will portray a young Gibbs — a role once by Harmon’s son, Sean Harmon, on seven episodes of “NCIS.” For the prequel, Sean serves ...

Sean Harmon initially laid the groundwork for ‘NCIS Origins’, a series that will explore a much younger, troubled Leroy Jethro Gibbs. “I believe that very few people are actually ‘born ...

Mark Harmon's son, Sean Harmon, seemed like an obvious choice to play young Leroy Jethro Gibbs in NCIS: Origins, but they ...

When NCIS needed someone to portray a young Leroy Jethro Gibbs, the show’s team didn’t need to look far to find the right person. Sean Harmon – the son of Gibbs actor Mark Harmon ...

The happy and relaxed photo is worlds away from Gibbs' life, which is explored in the new prequel. Recommended videoYou may also likeVIDEO: Mark Harmon stars in NCIS: Origins Recently in an ...

Mark Harmon holds Jethro Gibbs close ... Austin Stowell will portray a young Gibbs - a role once by Harmon's son, Sean Harmon, on seven episodes of "NCIS." For the prequel, Sean serves as an ...