SpoilerTV Image Archive | Gallery | ncis-los-angeles | Season 7 | Promotional Episode Photos | Episode 7.21 - Head of the Snake | "Head of the Snake" -- Pictured: Chris O\'Donnell (Special Agent G. Callen), Peter Cambor (Operational Psychologist Nate Getz) and LL COOL J (Special Agent Sam Hanna). After Operational Psychologist Nate Getz (Peter Cambor) fails to check in with Hetty while working undercover on a mission linking organized crime to terrorism, the team learns he is working with an infamous crime leader, on NCIS: LOS ANGELES, Monday, April 11 (9:59-11:00, ET/PT), on the CBS Television Network. Photo: Monty Brinton/CBS é2016 CBS Broadcasting, Inc. All Rights Reserved.
