Chris O'Donnell Special Agent G. Callen Actor LL Cool J Special Agent Sam Hanna Actor Linda Hunt Henrietta "Hetty" Lange Actor Daniela Ruah Special Agent Kensi Blye Actor Eric Christian Olsen LAPD Detective Marty Deeks Actor Medalion Rahimi Special Agent Fatima Namazi Actor Caleb Castille Special Agent Devin Rountree Actor Gerald McRaney Retired Admiral Hollace Kilbride Actor Shane Brennan Executive Producer R. Scott Gemmill Executive Producer John Peter Kousakis Executive Producer, Director Chad Mazero Writer