Self - FBI Supervisory Special Agent, UNABOMBER Task Force (4 episodes, 2020)
Self - Reporter, San Fransisco Chronicle (4 episodes, 2020)
Self - Brother (4 episodes, 2020)
Self - Author, 'Serial Killers' (4 episodes, 2020)
Self - Neighbor (4 episodes, 2020)
Self - Former Editor: Earth First! Journal (4 episodes, 2020)
Young Ted Kaczynski (4 episodes, 2020)
Self - Sister-in-Law (3 episodes, 2020)
Self - Prosecution Forensic Psychiatrist (3 episodes, 2020)
Self - UNABOMB Survivor (3 episodes, 2020)
Self - FBI Special agent (retired) (3 episodes, 2020)
Self - Developmental Psychologist (2 episodes, 2020)
Self - Neighbor (2 episodes, 2020)
Self - Anarchist Philosopher & Activist (2 episodes, 2020)
Self - Harvard Classmate (2 episodes, 2020)
Self - Lead Collaborator: The Collected Writings of Theodore J. Kaczynski (2 episodes, 2020)
Self - Anarchist Filmmaker (2 episodes, 2020)
Self - Private Investigator (1 episode, 2020)
Self - Authorized Biographer of Henry Murray (1 episode, 2020)
Self - Author: 'The CIA Doctors' (1 episode, 2020)
Self - Former CIA Agent (1 episode, 2020)
Self - Warden (Retired): Supermax Prison (1 episode, 2020)
Dr. Henry Murray (1 episode, 2020)
Jonathan Shay (1 episode, 2020)
Self (archive footage) (4 episodes, 2020)