Elenco (na ordem dos créditos)
Erik Thompson
Self - Narrator
Phillip Resnick
Self - UH Case Medical Center
Brian Levin
Self - Center for the Study of Hate & Extremism
Del Quentin Wilber
Self - Author, Rawhide Down
Randy Parsons
Self - Special Agent in Charge, FBI
Bob Ricks
Self - SAC, FBI
Erroll Southers
Self - Author, Homegrown Violent Extremism
Andrew Gumbel
Self - Author, Oklahoma City: What the Investigation Missed
Casey Jordan
Self - Criminologist
Gary Wright
Self - Unabomber Survivor, 1987
Barney Forsythe
Self - Montgomery Co., Police Department
Stephen Spiro
Self - NYPD
Terry Turchie
Self - Former Assistant SAC, FBI Unabomber Task Force
Lou Michel
Self - Reporter, Buffalo News
Phil Raum
Frank Stumpo
Self - Houston Police Department
Brian Blansett
Self - City Editor, Waco Tribune Herald
John Scheinfeld
Self - Director, The U.S. vs. John Lennon
Russell Yates
Self - Andrea's Husband
Clive Doyle
Self - Branch Davidian Survivor
Nina Burleigh
Self - Author, The Fatal Gift of Beauty
Dan Herbeck
Self - Reporter, Biffalo News
Hank Brown
Self - ABC News Cameraman
Alan J. Weiss
Self - Former Producer, WABC-TV News
Lucy Puryear
Self - Defense Psychiatrist
Nina Delgadillo
Self - Senior Special Agent, ATF
Caroline Namrow
Self - Eyewitness
Thomas J. Baker
Self - Assistant Director, FBI
Paul Goresh
Self - Photographer & Fan
George Parnham
Self - Yates Defense Attorney
Candace Dempsey
Self - Author, Murder in Italy
Nancy Demme
Anne Bremner
Self - Attorney & Friend of Amanda Knox
Davy Aguilera
Self - Assistant SAC, ATF
Dennis Purifoy
Himsel - Survivor, Social Security Office
Drew Tracy
Kathleen Puckett
Self - Behavioral Expert, FBI
Joseph Owmby
Self - Former Co-Prosecutor, Harris Co. D.A.
Ron Hoffman
Melissa Houston
Self - Survivor, Journal Record Building
Byron Sage
Self - Special Agent, FBI
Kim Hogrefe
Self - Former Manhattan Asst. District Attorney
Carol Beranek
Self - Survivor, HUD Office
Josh White
Self - Reporter, The Washington Post
Joseph Giordano
Self - George Washington University Medical Center
Quin Denvir
Self - Kaczynski's Public Defender
Belinda Hill
Self - District Court Judge
Elliot Mintz
Self - Publicist & Friend of John Lennon
Darren Kavinoky
Self - Attorney & Legal Analyst
Michael Bouchard
Self - Assistant Director, ATF
Paul Heath
Hismelf - Survivor, V.A. Dept. Veteran Affairs
Stephen Colo
Self - United States Secret Service
James R. Gaines
Self - Journalist
Carmeta Albarus-Lindo
Self - Co-Author, The Making of Lee Boyd Malvo
Sarah Brady
Self - Wife of James Brady
Stephan Lynn
Self - St. Luke's & Roosevelt Hospital Center
Barry Black
Self - FBI Master Bomb Tech
Richard Nichols
Self - Witness & Survivor, Regency Tower
Daniel W. Schwartz
Self - Forensic Psychiatrist
Tom Bush
William T. Carpenter
Self - Maryland Psychiatric Research Center
Hank Gibbons
Self - Chief Division Counsel FBI
J. Thomas Manger
Self - Fairfax Co, Police Department
Mark Waterbury
Self - Author, The Monster of Perugia
Stephen Jones
Self - McVeigh's Defense Attorney
Richard Bonnie
Self - University of Virginia
Jim Denny
Self - Parent of Survivor
Claudia Denny