David Kaczynski
Ben Jeffries
Theodore Kaczynski
Linda Kaczynski
John Hauser
Agent Harrington
Tony Bisceglie
Juan Sanchez Arreola
Marian Holt
Susan Swanson
Jeff Rosen
Detective Fields
Safety Inspector
Agent Tanaka
Doctor Togba
Agent Sanborn
Gary Wright
Professor Angelakos
Gary's Mother
Robert Taylor
Lorraine
Thomas Mosser
Susan Mosser
Professor (uncredited)