Abdulaziz Al-Omari
饰：Himself
Ahmed Al-Haznawi
饰：Himself
Salem Al-Hazmi
饰：Himself
Hamza Al-Ghamdi
饰：Himself
Mahmoud Ahmad
饰：Himself
Ahmed Al-Nami
饰：Himself
Khaled Al-Harbi
饰：Himself
Saeed Al-Ghamdi
饰：Himself
Ahmed Al-Ghamdi
饰：Himself
Marwan Al-Shehhi
饰：Himself
Khalid Al-Mihdhar
饰：Himself
Mohand Al-Shehri
饰：Himself
Wail Al-Shehri
饰：Himself
Nawaf Al-Hazmi
饰：Himself
迪伦·艾利
Dylan Avery
饰：Narrator
理查德·李·阿米蒂奇
Richard Armitage
饰：Self,(as Dick Armitage)
奥萨马·本·拉登
Osama Bin Laden
饰：Self,(archive footage)
汤姆·布罗考
Tom Brokaw
饰：Self
Barbara Bush
饰：Self
乔治·W· 布什
George W. Bush
饰：Self,(archive footage)
Brian Cabell
饰：Self
迪克·切尼
Dick Cheney
饰：Self
John Feal
饰：Self
Ari Fleischer
Ari Fleischer
饰：Self
Jamie Gorelick
饰：Self
Lee Hamilton
饰：Self
Sander Hicks
饰：Self
彼得·詹宁斯
Peter Jennings
饰：Self
Steven E. Jones
饰：Self,(as Professor Steven Jones)
Mindy Kleinberg
饰：Self
Carol Marin
饰：Self
Cynthia McKinney
饰：Self
迈克尔·摩尔
Michael Moore
饰：Self
Richard Myers
饰：Self
Barbara Olson
饰：Self
科林·鲍威尔
Colin Powell
饰：Self
康多莉扎·赖斯
Condoleezza Rice
饰：Self
Brian Ross
饰：Self
唐纳德·拉姆斯菲尔德
Donald Rumsfeld
饰：Self
Curt Weldon
饰：Self
Mohamed Atta
饰：Self
乔·拜登
Joe Biden
饰：Self,(as Joseph Biden)
Kristen Breitweiser
饰：Self
Hyman Brown
饰：Self
Deena Burnett
Deena Burnett
饰：Self,(as Deena Burnett-Bailey)
乔治·布什
George Bush
饰：Self
劳拉·布什
Laura Bush
饰：Self
Patty Casazza
饰：Self
Tom Daschle
饰：Self
Deborah Feyerick
饰：Self
鲁迪·朱利安尼
Rudolph W. Giuliani
饰：Self,(as Rudolph W. Giuliani)
Porter Goss
饰：Self,(as Porter J. Goss)
Jenna Bush
饰：Self,(as Jenna Bush)
Ken Holden
饰：Self
Daniel Jowenko
饰：Self
Thomas Kean
饰：Self
亨利·基辛格
Henry Kissinger
饰：Self
John F. Lehman Jr.
饰：Self,(as John Lehman)
Barry Lichty
饰：Self
Robert Marr
饰：Self,(as Col. Bob Marr)
Norman Mineta
饰：Self
Robert S. Mueller III
饰：Self
西奥多·奥尔森
Ted Olson
饰：Self
南希·佩洛西
Nancy Pelosi
饰：Self
杰拉尔多·里维拉
Geraldo Rivera
饰：Self,(as Geraldo)
Arlen Specter
Arlen Specter
饰：Self
Lorie Van Auken
饰：Self
Philip D. Zelikow
Philip D. Zelikow
饰：Self,(as Philip Zelikow)