•Chris O'Donnell | played | Special Agent "G" Callen (145Eps.) |
•Daniela Ruah | played | Special Agent Kensi Blye (145Eps.) |
•Eric Christian Olsen | played | LAPD Detective Martin A. "Marty" Deeks (Season 2-) (120Eps.) |
•Barrett Foa | played | Tech Operator Eric Beal (episode 13+; recurring previously) (133Eps.) |
•Renée Felice Smith | played | Intelligence Analyst Nell Jones (episode 35+; recurring previously) (111Eps.) |
•Miguel Ferrer | played | Assistant Director Owen Granger (Season 5+; recurring previously) (43Eps.) |
•Linda Hunt | played | Operational Manager Henrietta "Hetty" Lange (145Eps.) |
•LL Cool J | played | Special Agent Sam Hanna (145Eps.) |
•Peter Cambor | played | Operational Psychologist Nate Getz (Season 1; recurring otherwise) (24Eps.) |
•Adam Jamal Craig | played | Special Agent Dominic Vail (S01E01-E13) (13Eps.) |