Harmon narrates the series and also serves as an executive producer. After he guest starred in the first-ever NCIS and NCIS: ...

Rocky Carroll won’t return for season 24, as his character, Leon Vance, died during season 23. Corrupt CID Agent Dolan ...

Here's everything you need to know about Season 3 of 'NCIS: Origins,' which follows the early days of Leroy Jethro Gibbs, Mike Franks and the NIS team.

"NCIS" remains a behemoth on network television, spawning numerous spinoffs that have resulted in over 1,000 episodes across the franchise. The 1,000th episode had Easter eggs only hardcore "NCIS" ...

Mark Harmon, Pauley Perrette and Michael Weatherly are part of 'NCIS' history Catherine Santino is a Style Writer-Reporter at PEOPLE. She began contributing to PEOPLE in 2022 and joined the staff full ...

NCIS: New York,' starring LL COOL J and Scott Caan, is the newest series in the hit franchise. Here’s everything to know.

Legendary NCIS Special Agent Sam Hanna returns to his hometown of New York City to the NCIS field office, partnering with a roguish agent and helping lead a new team as they are tasked with ...