Main cast •
James Spader as
Raymond "Red" Reddington •
Megan Boone as
Elizabeth Keen •
Diego Klattenhoff as
Donald Ressler •
Ryan Eggold as
Tom Keen •
Harry Lennix as
Harold Cooper •
Amir Arison as
Aram Mojtabai •
Mozhan Marnò as
Samar Navabi Recurring cast •
Hisham Tawfiq as Dembe Zuma. •
Reed Birney as Thomas "Smiling Tommy" Connolly,
Assistant Attorney General. •
Lance Henriksen as The Major, Tom Keen's former mentor and trainer. •
Adriane Lenox as Reven Wright, Deputy Attorney General •
Susan Blommaert as Mr. Kaplan, Reddington's personal "cleaner". •
Peter Stormare as Berlin, real name Milos Kirchoff, Reddington's nemesis in the first season. •
Alan Alda as Alan Fitch, Assistant Director of National Intelligence. •
Mary-Louise Parker as Naomi Hyland/Carla Reddington, Reddington's ex-wife. •
Scottie Thompson as Zoe D'Antonio, Berlin's daughter. •
Hal Ozsan as Ezra, a personal guard assigned to Elizabeth by Reddington. •
Ron Perlman as Luther Braxton, a high-profile international thief. •
David Strathairn as "The Director", the mysterious head of the National Clandestine Service (NCS). •
Janel Moloney as Kat Goodson, the liaison between the NCS and the FBI. •
Clark Middleton as Glen Carter, a DMV employee occasionally employed by Reddington to retrieve information. • Chandler Williams as Elias, member of the Disenfranchised. •
David Patrick Kelly as Elias's right-hand man. • Ned Van Zandt as Leonard Caul, a security expert and creator of the Fulcrum. • Dikran Tulaine as Max, a skilled bomb maker and longtime acquaintance of Red's ==Episodes==