NCIS: Los Angeles Season 12 Characters & Cast — No Spoilers
Every character in NCIS: Los Angeles season 12 with photos and the actors who play them, including Chris O'Donnell, Daniela Ruah, Eric Christian Olsen — spoiler-free, nothing from later seasons.
- G. Callen — played by Chris O'Donnell
- Kensi Blye — played by Daniela Ruah
- Marty Deeks — played by Eric Christian Olsen
- Eric Beale — played by Barrett Foa
- Fatima Namazi — played by Medalion Rahimi
- Nell Jones — played by Renée Felice Smith
- Devin Rountree — played by Caleb Castille
- Sam Hanna — played by LL Cool J
- Henrietta "Hetty" Lange — played by Linda Hunt
- Hollace Kilbride — played by Gerald McRaney
- Kamran Hanna — played by Kayla Smith
- NCIS Special Agent Castor — played by Duncan Campbell
- Effie Carlson — played by Nicki Micheaux
- Arkady Kolcheck — played by Vyto Ruginis
- Anna Kolcheck — played by Bar Paly
- Joelle Taylor — played by Elizabeth Bogush
- Jimmy Fang — played by Allen Theosky Rowe
- Alexi Goncharov — played by Seamus Dever
- Zasha Gagarin — played by Olesya Rulin
- Vostanik Sabatino — played by Erik Palladino
All seasons of NCIS: Los Angeles: full spoiler-free character guide