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 ...

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 ...

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

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

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

Origins will focus on the early investigative years of the young Leroy Jethro Gibbs in the early '90s. OG star Mark Harmon is involved as one of the executive producers.

Mark Harmon transitions from his iconic role as Leroy Jethro Gibbs to executive producer and narrator of "NCIS: Origins," a ...

I truly am Gibbs at this point.” Austin Stowell arrives at this conclusion 90 minutes into an emotional conversation about ...

Mark Harmon has opened ... and stars Stowell as a young Gibbs at the beginning of his career as he learns the ropes during training camp. Harmon, who originated the character back in 2003, has ...