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 Barrett Foa Tech Operator Eric Beale Actor Renée Felice Smith Intelligence Analyst Nell Jones Actor Nia Long Executive Assistant Director Shay Mosley Actor Gerald McRaney Retired Navy Admiral Hollace Kilbride Guest Star Max Martini Arlo Turk Guest Star Lamont Thompson Spencer Williams Guest Star Greg Serano FBI Special Agent Diego Gonzalez Guest Star Serafin Falcon Francisco Guest Star Torri Higginson CIA Deputy Director for Operations Alison Baker Guest Star Ariel Llinas General Arturo Vásquez Guest Star Gustavo Escobar Samuel Guest Star Jalyn Hall Derrick Guest Star Orel De La Mota Michael Vásquez Guest Star Bernardo Cubria Doctor Guest Star Sean Burgos Orderly, Juan Hernandez Guest Star DeLaRosa Rivera Williams' Last Man Guest Star Shane Brennan Executive Producer R. Scott Gemmill Executive Producer John Peter Kousakis Executive Producer Frank Military Writer, Director