: Running parallel to the case, Henrietta "Hetty" Lange is seen settling her affairs and saying goodbye to her team. By the end of the episode, she abruptly resigns and disappears, leaving her successor, Lauren Hunter , to take over as the new Operations Manager. Main Cast Chris O'Donnell as G. Callen LL Cool J as Sam Hanna Linda Hunt as Henrietta "Hetty" Lange Daniela Ruah as Kensi Blye Eric Christian Olsen as Marty Deeks Barrett Foa as Eric Beale Renée Felice Smith as Nell Jones Guest Stars
: The team discovers the victim was hired by an anarchist group led by a man named Shepherd to build a "dirty bomb" using stolen radioactive material. Watch NCIS Los Angeles S02E23 HDTV XviD-LOL [VT...
You can watch the full series through retailers like Fandango at Home (Vudu) or stream it on Paramount+ . "NCIS: Los Angeles" Imposters (TV Episode 2011) - IMDb : Running parallel to the case, Henrietta "Hetty"
: The investigation leads them back to missing canisters of radiopharmaceuticals from a previous case ("Overwatch"). Sam Hanna goes undercover as bait to lure the suspects, leading to a chase and the eventual capture of Shepherd at a military veterans' rally. Callen LL Cool J as Sam Hanna Linda
, titled " Imposters ," first aired on May 4, 2011. It serves as the first part of the high-stakes season finale. Plot Summary
The episode begins with the discovery of a man posing as a retired Navy SEAL who has been beaten and set on fire with phosphorus.
as Lauren Hunter (introduced as the new Operations Manager) Bruno Verdoni as Shepherd Kristen Hager as Star