About Castle (2009) Season 8, Episode 11 : Dead Red

The son of a Russian diplomat is murdered; during the investigation, Castle entertains a jovial Russian security guard, who turns out to be more involved in the case than expected. Guest Stars: Nikita Bogolyubov, Endre Hules, Nick E. Tarabay, Boris Lee Krutonog, Kathe Mazur, Luke Stratte-McClure, Zoë Hall, Kimleigh Smith, Ann Cusack, Albert Malafronte,