NCIS is an American police procedural television series, revolving around a fictional team of special agents from the Naval Criminal Investigative Service combining elements of the military drama and police procedural genres. The concept and characters were initially introduced in two episodes of the CBS series JAG (season eight episodes 20 and 21: “Ice Queen” and “Meltdown”). A spin-off from JAG, the series premiered on September 23, 2003, on CBS. To date it has entered into the twentieth full season and has gone into broadcast syndication on the USA Network. Donald P. Bellisario and Don McGill are co-creators and executive producers of the premiere member of the NCIS franchise. As of 2022, NCIS is the third-longest-running scripted, non-animated U.S. primetime TV series currently airing, surpassed only by Law & Order: Special Victims Unit (1999–present) and Law & Order (1990–2010; 2022–present); it is the 7th-longest-running scripted U.S. primetime TV series overall.

_Starring:
Mark Harmon
Sasha Alexander
Michael Weatherly
Pauley Perrette
David McCallum
Sean Murray
Cote de Pablo
Lauren Holly
Rocky Carroll
Brian Dietzen
Emily Wickersham
Wilmer Valderrama
Jennifer Esposito
Duane Henry
Maria Bello
Diona Reasonover
Katrina Law
Gary Cole