- Alex Gibney
- Narrator
- Brian Keith Allen
- Soldier - New York Studio Shoot Reenactment
- Moazzam Begg
- Self - Torture Victim
- Christopher Beiring
- Self - Captain
- Willie Brand
- Self - Military Police
- George W. Bush
- Self
- Jack Cafferty
- Self
- Brian Cammack
- Self - Military Police
- William Cassara
- Self - Attorney
- Doug Cassel
- Self - Professor
- Dick Cheney
- Self
- Jack Cloonan
- Self - Former FBI Agent
- Damien Corsetti
- Self - Military Interrogator
- Thomas Curtis
- Self - Sergeant: Military Police
- Greg D'Agostino
- Soldier - New York studio shoot reenactment
- Ken Davis
- Self - US Army Sgt.
- Lynndie England
- Self
- Tommy Franks
- Self - General
- Carlotta Gall
- Self - New York Times Reporter
- John Galligan
- Self - Attorney
- Frank Gibney
- Self
- Tim Golden
- Self - New York Times Reporter
- Alberto Gonzales
- Self
- Charles A. Graner
- Self
- Gita Gutierrez
- Self - Attorney
- David Hayden
- Self - Colonel
- Donald O. Hebb
- Self - Behavioral Psychologist
- Scott Hennen
- Self
- Jay Hood
- Self - Brigadier General
- Scott Horton
- Self - President of the International League for Human Rights
- John Hutson
- Self - Rear Admiral
- Maan Kaassamani
- Detainee - New York studio shoot reenactment
- Anthony Lagouranis
- Self - Military Intelligence
- Eric Lahammer
- Self - Military Interrogator
- Carl Levin
- Self - Member on the Senate Armed Services Committee
- Steven Loring
- Self - Sergeant
- John McCain
- Self
- Alfred W. McCoy
- Self - Professor of Political History
- James McGarrah
- Self - Rear Admiral
- Dan McNeill
- Self - General
- Geoffrey D. Miller
- Self - Major General
- Alberto J. Mora
- Self - General Counsel of the US Navy
- Anthony Morden
- Self - Sergeant: Military Police
- Dan Mori
- Self - Major
- Richard Myers
- Self - General, Chairman of the Joint Chiefs of Staff
- Karyn Plonsky
- Soldier - New York studio shoot reenactment
- Colin Powell
- Self
- Jack Reed
- Self - Member on the Senate Armed Services Committee
- Condoleezza Rice
- Self
- Donald Rumsfeld
- Self
- Selena Salcedo
- Self - Sergeant
- Randall M. Schmidt
- Self - Lieutenant General
- Clive Stafford Smith
- Self - Lawyer
- Glendale Walls
- Self - Military Intelligence
- Lawrence Wilkerson
- Self - US Army Colonel
- Tom Wilner
- Self - Attorney
- Carolyn A. Wood
- Self - Captain
- John Yoo
- Self - US Department of Justice
- Tim Russert
- Self
