NCIS: Origins

In January 2024, CBS announced a straight-to-series order for the spinoff, which will be set in the early ’90s and follow a young version of Harmon’s longtime NCIS protagonist Leroy Jethro Gibbs as a new agent at the NCIS Camp Pendleton office. The show will chronicle Gibbs’ early career as he forges his own path on a team led by NCIS legend Mike Franks.

Austin Stowell, whose TV credits include Secret Life of the American Teenager and Peacock’s A Friend of the Family, has been tapped to play Gibbs, and Mariel Molino (ABC’s Promised Land) has been cast as Special Agent Lala Dominguez, a former Marine with a dark sense of humor. (The show is still in the process of casting its Mike Franks, as well as a young version of Roma Maffia’s Special Agent Strickland.)

Mark Harmon will not appear in the series, but he will serve as its narrator as well as executive producer. His son, Sean Harmon, who has played Young Gibbs in NCIS flashbacks and came up with the idea for the prequel, will also serve as an EP alongside co-showrunners Gina Lucita Monreal and David J. North.

The NCIS prequel series is slated to premiere this fall on CBS; episodes will be streamed on Paramount+ the day after they air.