After being dosed with poison, Red must retrace his steps to discover which of his closest allies has betrayed him, while the task force races against the clock to find an antidote that will save him.
James Spader
Raymond 'Red' Reddington
Megan Boone
Elizabeth Keen
Diego Klattenhoff
Donald Ressler
Hisham Tawfiq
Dembe Zuma
Harry Lennix
Harold Cooper
Amir Arison
Aram Mojtabai
Mozhan Navabi
Samar Navabi
Brian Stokes Mitchell
David Levine
Afton Williamson
Lulu
Jamie Harrold
Asa Hightower
Daniel Eric Gold
Robert Dahle
Robert Joy
Dr. Haverkamp
Peter Rini
FBI Director
Clark Middleton
Glen Carter
Fisher Stevens
Marvin Gerard
