NCIS Officially Recasting Original Series Actor For Origins Season 3

CBS Published Sep 21, 2026, 4:19 PM EDT Ana Dumaraog is a Writer and Editor at Screen Rant, where she expertly covers Network TV offerings, among other things She has spearheaded the effort to make the site an authority on broadcast shows, initially starting with The Big Bang Theory franchise, NCIS, and One Chicago before taking on the specialization in general. Ana has also covered a wide-spread of topics in the past — from franchises like, the MCU and Star Wars, to classic TV favorites, such as Frasier and MASH. Ana brings clarity and enthusiasm to every story she tackles—whether reporting on new releases or offering deep dives into fan-favorite franchises. Her coverage translates complex entertainment developments into engaging, audience-focused content. Sign in to your ScreenRant account This article covers a developing story. Continue to check back with us as we will be adding more information as it becomes available.There's another recasting in the NCIS franchise, and this time, it involves NCIS: Origins. Per the official release from Paramount Press, Sean Harmon is joining NCIS: Origins as FBI Agent Casey Bloom, marking his return to the CBS procedural franchise. It's worth noting that Mark's son originally played the younger version of Gibbs in the flagship. The actor is appearing in NCIS: Origins season 3, episode 2, "My Worst Enemy." Read its full synopsis below: In the present, Gibbs (Mark Harmon) returns to civilization and calls in a favor from old friend Woody (Bobby Moynihan). In 1992, the team bands together to help Woody when he’s accused of murdering a bowling rival. Developing... Release Date October 14, 2024 Network CBS Directors Niels Arden Oplev, John Terlesky, Diana Valentine, Edward Ornelas, Hanelle M. Culpepper, Lionel Coleman, Loren Yaconelli, Pete Chatmon, Pamela Romanowsky, Ruben Garcia, Jessica Lowrey Cast Austin Stowell Leroy Jethro Gibbs Kyle Schmid Special Agent Mike Franks NCIS: Origins is set in 1991, preceding the events of the original series. The series introduces Leroy Jethro Gibbs as a new special agent at NCIS Camp Pendleton. Under the leadership of NCIS legend Mike Franks, Gibbs navigates his role within a tenacious, unconventional team.