The Most Popular 'NCIS' Cast Members, Ranked From Lowest to Highest Following | Brian Dietzen, CBS, Diona Reasonover, Gary Cole, Katrina Law, NCIS, Rocky Carroll, Sean Murray, Slideshow, Television, Wilmer Valderrama

The Most Popular ‘NCIS’ Cast Members, Ranked From Lowest to Highest Following NCIS is popular, and so are the show's stars. The CBS series returned with Season 21 on February 12. (Find out who came back!) And there's now big news about…

Related Keywords

Rocky Carroll ,Alden Parker ,Leon Vance ,Gary Cole ,Instagram ,Supervisory Special Agent Alden Parker ,