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 Mozhan Marnò Samar Navabi Actor Hisham Tawfiq Dembe Zuma Actor Harry Lennix Harold Cooper Actor Frank Wood Gerald Klepper Guest Star Fiona Dourif Jennifer Guest Star Ken Leung AUSA Michael Sima Guest Star Becky Ann Baker Judge Roberta Wilkins Guest Star P.J. Marshall Atticus Rodrick Guest Star Joe Lisi Burt Yunger Guest Star LisaGay Hamilton Dr. Calvert Gray Guest Star Daniel Cosgrove Digby Tamerlane Guest Star Alexis Bronkovic Kelly Carter Guest Star Rebecca Pitcher Intake Officer Guest Star Jayson Wesley MPD Officer Guest Star Patricia R. Floyd Nurse Guest Star Desi Waters Court Clerk Guest Star Kelley Curran Co-Counsel Guest Star Juan Carlos Diaz Patient 1 Guest Star Alex Orthwein Patient 2 Guest Star John Eisendrath Executive Producer John Davis Executive Producer John Fox Executive Producer Bill Roe Director Taylor Martin Writer