Jon Bokenkamp Creator, Executive Producer James Spader Raymond "Red" Reddington Actor, Executive Producer Diego Klattenhoff Donald Ressler Actor Amir Arison Aram Mojtabai Actor Hisham Tawfiq Dembe Zuma Actor Harry Lennix Harold Cooper Actor Laura Sohn Alina Park Actor Henry Stram Dr. Razmik Maier Guest Star Danny Mastrogiorgio Lew Sloan Guest Star Karina Arroyave Mierce Xiu Guest Star Diany Rodriguez Weecha Xiu Guest Star Joshua Moore Abel Judge Guest Star Sarah Mezzanotte Ani Bolin Guest Star René Ifrah Junior Boswell Guest Star Kurt Rhoads Ken Rhode Guest Star Steven Good Sam Rhode Guest Star Ruben Flores Herman de Leon Guest Star Josh Cooke Walker Burgos Guest Star Sawyer Ploski Teen Boy Guest Star Sarah Dace Charles Loreen Rhode Guest Star Jeena Yi Stella Huang Guest Star John Eisendrath Executive Producer John Davis Executive Producer John Fox Executive Producer Lukas Reiter Executive Producer J.R. Orci Executive Producer Laura Benson Executive Producer Avi Youabian Director Justine Neubarth Writer