Sean Murray, Wilmer Valderrama and Katrina Law will return in season 21 of NCIS. From the cast to the plot and release date, ...

28. Maria Bello Maria Bello joined the cast of NCIS as Dr. Jacqueline "Jack" Sloane, a forensic psychologist, from season 15 through season 18. After spending a few years as a series regular ...

Here's everything you need to know about NCIS Season 22, Episode 10, including the synopsis, guest star, and date for the ...

Michael Weatherly once explained how Cote de Pablo’s ‘NCIS’ exit might change his character Tony DiNozzo for the better.