This would be a huge responsibility for any actor.

In the role of former NCIS lead Leroy Jethro Gibbs, Mark Harmon is a tough act to follow. But it seems he found a worthy ...

Mark Harmon has opened up about casting Austin Stowell as the younger version of Leroy Jethro Gibbs in NCIS: Origins.

Longtime NCIS star Mark Harmon's son Sean Harmon is not reprising his role as young Jethro Gibbs in the new prequel, and the ...

Even the "NCIS" origin story for Austin Stowell has a Cracker Jack opening. The impossibly rugged actor, 39, had tried to ...

Mark Harmon was a staple of NCIS for two decades and now Agent Gibbs’ early career is going to be explored in NCIS Origins ...

When Bridge of Spies star Austin Stowell walked in to audition for the prequel series NCIS: Origins, Harmon recalled that he ...

Mark Harmon has officially made his semi-return to the NCIS franchise with NCIS: Origins, a prequel series centering around ...

For over a decade Mark Harmon portrayed the role of Leroy Jethro Gibbs in the hit TV series NCIS. As producers and ...

It was just an unexpected surge of emotion for us both,' co-showrunner Gina Lucita Monreal says of seeing Harmon dressed as ...

NCIS: ORIGINS premiered this week, and in honor of the show, stars Mark Harmon and Austin Stowell spoke to PEOPLE about their ...

NCIS: Origins has premiered on CBS, and Mark Harmon’s role in the first episode has been revealed. It was previously reported ...