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 Chaz Lamar Shepherd Tommy Markin Guest Star Mark Margolis Jakov Mitko Guest Star Rajesh Bose Agent Patel Guest Star Beth Fowler Lisa Ressler Guest Star Teri Hansen Young Lisa Ressler Guest Star Anthony Michael Hall Robby Ressler Guest Star Chad Ackerman Robert Ressler Sr. Guest Star Jack Alcott Young Ressler Guest Star Angus O'Brien Young Robby Guest Star Timo Schnellinger Agent Guest Star Neil Vincent Smith Bartender Guest Star Alexander Pennecke Drug Dealer Guest Star Kevin Hersh Priest 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 Mahesh Pailoor Director Sean Hennen Writer