NCIS (Naval Criminal Investigative Service) is more than just an action drama. With liberal doses of humor, it's a show that focuses on the sometimes complex and always.

NCIS might be about solving military-related crimes, but audiences have stuck around for 22 seasons because of the show's cast of characters ... Rocky Carroll, who plays director Leon Vance ...

McCallum has been a series regular since 2003, playing the chief ... known for his role as Director Leon Vance, a key figure ...

Here's everything to know about the real-life partners of the NCIS: Origins cast. Monica Schipper/Getty ...

The NCIS: Origins cast has added someone for the upcoming season finale. Claire Berger has joined Origins and will help pay homage to a character from the other shows. We will soon meet the future ...

NCIS Season 22, Episode 17 recap reveals several special guest stars, a contract killer, and new LaRoche drama.