Some of the cast members of "NCIS: Los Angeles" are Chris O'Donnell, Linda Hunt, LL Cool J, Daniela Ruah and Eric Christian Olsen. Other cast members include Barrett Foa, Renee Felice Smith, Peter Cambor and Adam Jamal Craig.
Chris O'Donnell, the star of "NCIS: Los Angeles," plays NCIS Special Agent G. Callen. LL Cool J and Danele Ruah play NCIS Special Agents Sam Hanna and Kensi Blye, respectively. Linda Hunt plays Henrietta "Hetty" Lange, the manager for the Office of Special Projects. Eric Christian Olsen plays LAPD Detective Marty Deeks, and Barrett Foa plays Eric Beale, a tech operator. Peter Gambor plays Operational Psychologist Nate Getz, and Renee Felice Smith plays NCIS Intelligence Analyst Nell Jones. Adam Jamal Craig is another member of the main cast, playing NCIS Special Agent Dominic Vail.
In addition the main cast, "NCIS: Los Angeles" has featured many actors in supporting roles. These actors include Miguel Ferrer, Erik Palladino, Claire Forlani and Kathleen Rose Perkins. Many actors have appeared on "NCIS: Los Angeles" in guest starring roles. These actors include John Heard, Scott Grimes, Gregg Henry and John Corbett. Other actors who have made guest appearances include Erik Fellows, Dylan Ramsey, Kent Shocknek and Eddie Shin. Pauley Perrette also appeared on "NCIS: Los Angeles," playing her character from "NCIS."