Mark Harmon, who created the role of Gibbs on NCIS, is an executive producer on the prequel—as well as a narrator—and was part of the casting process that resulted in Stowell landing the role. But when it comes to offering advice on playing the character, he’s pretty much hands off.

NCIS: Origins, a prequel to the long-running CBS series NCIS, premiered on the network on4. The show focuses on the younger version of Leroy Jethro Gibbs as he begins his tenure as a special agent of the Pendleton branch of the Naval Investigative Service (NIS).

When Bridge of Spies star Austin Stowell walked in to audition for the prequel series NCIS: Origins, Harmon recalled that he "felt the room jump a little," even "before he said an

The formula ain't broke, and CBS's latest addition to its beloved "NCIS" franchise, focused on young Agent Gibbs, doesn't plan to fix it. "NCIS" is one of the jewels in the crown of the CBS network. It's a well-oiled machine of naval-related crime-solving that has remained one of the most-viewed shows on television for over two decades.

Does a weekly procedural need lore? No. No it doesn’t not. But lore you will be served. The “NCIS” spinoff set in 1991 about young Gibbs functions as one long flashback

Mark Harmon holds Jethro Gibbs close to his heart. After 18 years of playing the special agent on "NCIS," Harmon exited the show as a series regular in 2021 but remained a series regular. However, he was never far away - he cared too much to fully put it in his rearview mirror.

Mark Harmon, widely known for playing Special Agent Leroy Jethro Gibbs on the hit CBS drama "NCIS," is stepping behind the camera as the executive producer and narrator of a new spin-off prequel, "NCIS: Origins.

Austin Stowell plays Leroy Jethro Gibbs, the beloved role created by Mark Harmon on 'NCIS', on CBS' new spin-off drama When Mark Harmon first read the guest role of Naval Criminal Investigative Service special agent Leroy Jethro Gibbs on JAG in 2003,

After nearly 20 years as Special Agent Gibbs, Mark Harmon is back in the NCIS world as executive producer and narrator of the new prequel, "NCIS: Origins," which stars Austin Stowell.