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 Amir Arison Aram Mojtabai Actor Mozhan Marnò Samar Navabi Actor Amanda Plummer Tracy Solobotkin Guest Star Michael Kostroff Martin Wilcox Guest Star Sepideh Moafi Mary Henning Guest Star Mark Gessner Chuck Kruse Guest Star Jon Bokenkamp Executive Producer John Eisendrath Executive Producer John Davis Executive Producer John Fox Executive Producer