Jon Bokenkamp Creator, Executive Producer James Spader Raymond "Red" Reddington Actor Megan Boone Elizabeth Keen Actor Diego Klattenhoff Donald Ressler Actor Harry Lennix Harold Cooper Actor Mozhan Marnò Samar Navabi Actor Hisham Tawfiq Dembe Zuma Actor Amir Arison Aram Mojtabai Actor Lee Aaron Rosen Ethan Webb Guest Star David Wilson Barnes Spalding Stark Guest Star Michael De Vries Ames Guest Star Thaddeus Daniels Dan Pascal Guest Star David Berman Dr. Ogden Maguire Guest Star David Konig Jerry Lonnergan Guest Star Rebecca Street Margaret Hopkins Guest Star Ken Leung Michael Sima Guest Star Alex Breaux Reggie Deeks Guest Star Becky Ann Baker Judge Roberta Wilkins Guest Star Leslie Shenkel Walter Pruitt Guest Star Daniel Jenkins Warren Kirby Guest Star Verlon Brown Correctional Officer Guest Star John William Watkins Goateed Man, Daniel Lloyd Guest Star Jonathan Stewart Police Sergeant Guest Star Peggy Droz Patient 4 Guest Star Kelley Curran Attorney Guest Star Desi Waters Court Clerk Guest Star William Oliver Watkins Officer Flynn Guest Star Adam Auslander Patient 5 Guest Star John Eisendrath Executive Producer John Davis Executive Producer John Fox Executive Producer Daniel Willis Director Lukas Reiter Writer