James Spader Raymond "Red" Reddington Actor Megan Boone Elizabeth Keen Actor Diego Klattenhoff Donald Ressler Actor Harry Lennix Harold Cooper Actor Ryan Eggold Tom Keen Actor Amir Arison Aram Mojtabai Actor Mozhan Marnò Samar Navabi Actor Lance Henriksen Bill McCready Guest Star Ralph Brown Roger Hobbs Guest Star Kevin Weisman Dr. Jeffrey Maynard Guest Star Reed Birney Tom Connolly Guest Star Valarie Pettiford Charlene Cooper Guest Star Elliot Villar Loyd Munroe Guest Star Jon Bokenkamp Executive Producer John Eisendrath Executive Producer John Davis Executive Producer John Fox Executive Producer