Jon Bokenkamp Creator, Executive Producer James Spader Raymond "Red" Reddington Actor 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 Joanna Christie Olivia Olson Guest Star Jennifer Ferrin Anna McMahon Guest Star Leslie Silva Caroline Eikendoll Guest Star Timothy Devlin Mr. Coleman Guest Star Michael Mulheren Chief Devin Walker Guest Star Richard Hollis Michale Muhlbach Guest Star Richard Brooks Mitch Young Guest Star Rick Zahn Paul Halperin Guest Star Michiko Sasaki Board Member Guest Star K.J. Hippensteel Employee Guest Star Dennis Pressey NYPD Officer Guest Star Matt Wall Partner Guest Star Alvin Keith Security Officer 1 Guest Star Brendan Ryan Security Officer 2 Guest Star John Eisendrath Executive Producer John Davis Executive Producer John Fox Executive Producer Stephanie A. Marquardt Director Lukas Reiter Writer