NCIS: Los Angeles Season 4 Characters & Cast — No Spoilers
Every character in NCIS: Los Angeles season 4 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
- Nell Jones — played by Renée Felice Smith
- Sam Hanna — played by LL Cool J
- Henrietta "Hetty" Lange — played by Linda Hunt
- Owen Granger — played by Miguel Ferrer
- Michelle Hanna — played by Aunjanue Ellis-Taylor
- Isaak Sidorov — played by Timothy V. Murphy
- Reporter / News Anchor — played by Kent Shocknek
- Dave Flynn — played by Scott Grimes
- Arkady Kolcheck — played by Vyto Ruginis
- Marcel Janvier — played by Christopher Lambert
- Rose Carlyle — played by Kathleen Rose Perkins
- CIA Agent Michael Snyder — played by Marcus Giamatti
- Dmitri Greshnev — played by Andrew Howard
- Victor Varlamov — played by Joel Bissonnette
- Roy Haines — played by John Corbett
- Special Agent Paris Summerskill — played by Kim Raver
All seasons of NCIS: Los Angeles: full spoiler-free character guide