The Blacklist/Season 4

Season Four of the spy-thriller series The Blacklist aired on NBC from September 22nd, 2016 to May 18th, 2017, spanning a total of twenty-two episodes. Most cast members from season one returned to reprise their roles for season two including Public Enemy No. 1 James Spader as Raymond "Red" Reddington & Megan Boone as F.B.I. profiler Elizabeth Keen. Other members of the main cast line-up include Diego Klattenhoff as Donald Ressler, Ryan Eggold as Tom Keen, and Harry Lennix as Harold Cooper. Actor Amir Arison, who was a guest star in season one, joins the main cast as Aram Mojtabai. Actress Mozhan Marnò comes on board as Agent Samar Navabi, replacing Parminder Nagra from season one.