Jon Bokenkamp Creator, Executive Producer, Writer James Spader Raymond "Red" Reddington Actor Megan Boone Elizabeth "Liz" Keen Actor Diego Klattenhoff Donald Ressler Actor Amir Arison Aram Mojtabai Actor Mozhan Marnò Samar Navabi Actor Hisham Tawfiq Dembe Zuma Actor Harry Lennix Harold Cooper Actor Christopher Lambert Bastien Moreau Guest Star Jennifer Ferrin Anna McMahon Guest Star Benito Martinez President Robert Diaz Guest Star Michael Xavier Christopher Miles Guest Star Sally Wilfert Diane Hoffman Guest Star Ben Pelteson Greg Hoffman Guest Star Jennifer Blood Helen Sapperstein Guest Star Tommy Schrider Marty Sapperstein Guest Star Ben Horner Mr. Sandquist Guest Star Matt W. Cody Anchor Guest Star Michael Keyloun Death Row Doctor Guest Star Gary Perez Federal Warden Guest Star Stephen Cerf HRT Officer Guest Star Ryan Matthew White Server Guest Star Nathan Reid Spokesman Guest Star Landon Maas Child Guest Star John Eisendrath Executive Producer, Writer John Davis Executive Producer John Fox Executive Producer Christine Gee Director Lukas Reiter Writer