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 Medalion Rahimi Special Agent Fatima Namazi Actor Catherine Bell Marine Lieutenant Colonel Sarah "Mac" MacKenzie Guest Star Caleb Castille FBI Special Agent Devin Rountree Guest Star Don Wallace Navy SEAL Senior Chief Frank Wallace Guest Star Juan Riedinger Navy Chief Petty Officer Thomas Argento Guest Star T.J. Linnard Special Officer First Class Adam Barr Guest Star Kendall Johnson Special Warfare Operator First Class Malcolm Kendricks Guest Star Ali Saam Khalil Guest Star Arshia Mandavi Jawan Yusufi Guest Star Chris Lamica Navy Petty Officer Second Class Michael Cole Guest Star Marshall Manesh Older Afghan Man Guest Star Sumeet Dang Yusufzai Guest Star Myk Watford Navy Petty Officer William Moffat Guest Star Shane Brennan Executive Producer R. Scott Gemmill Executive Producer John Peter Kousakis Executive Producer Frank Military Writer, Director