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 Dianne Wiest Ruth Kipling Guest Star Rachel Brosnahan Jolene Guest Star Reed Birney Tom Connolly Guest Star Trevor Long Alan Ray Rifkin Guest Star Jon Bokenkamp Executive Producer John Eisendrath Executive Producer John Davis Executive Producer John Fox Executive Producer