James Spader Raymond "Red" Reddington Actor Megan Boone Elizabeth Keen Actor Diego Klattenhoff Donald Ressler Actor Harry Lennix Harold Cooper Actor Ryan Eggold Tom Keen Actor Hisham Tawfiq Dembe Zuma Actor Amir Arison Aram Mojtabai Actor Mozhan Marnò Samar Navabi Actor Paul Reubens Mr. Vargas Guest Star Edi Gathegi Mr. Solomon Guest Star Clark Middleton Glen Carter Guest Star Don Harvey Eli Matchett Guest Star Gabriel Sloyer Gabriel Costa Guest Star Jon Bokenkamp Executive Producer John Eisendrath Executive Producer John Davis Executive Producer John Fox Executive Producer