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 Parminder Nagra Meera Malik Actor Robert Knepper The Courier Guest Star Charles Baker Grey Guest Star Barbara Schulz Laurence Dechambou Guest Star Brian Tarantina Edgar Guest Star Jon Bokenkamp Executive Producer John Eisendrath Executive Producer John Davis Executive Producer John Fox Executive Producer