Jon Bokenkamp Creator, Executive Producer James Spader Raymond "Red" Reddington Actor, Executive Producer Megan Boone Elizabeth "Liz" Keen Actor Diego Klattenhoff Donald Ressler Actor Amir Arison Aram Mojtabai Actor Hisham Tawfiq Dembe Zuma Actor Harry Lennix Harold Cooper Actor Darren Goldstein Arthur Rodman Guest Star Kate Bornstein Cynthia Mallet Guest Star Joely Richardson Cassandra Bianchi Guest Star Hugo Armstrong Jozef "Joko" Kozinski Guest Star Ajay Naidu Mahmoud Iqbal Guest Star Katie Thompson Margo Pelletier Guest Star Lohrasp Kansara Operative #1 Guest Star Sarah Kell Agnes Keen Guest Star Katherine Kell Agnes Keen Guest Star Adeola Role Annika Logan Guest Star John Eisendrath Executive Producer John Davis Executive Producer John Fox Executive Producer Lukas Reiter Executive Producer, Director J.R. Orci Executive Producer Laura Benson Executive Producer John Terlesky Writer