Self (2 episodes, 2005)
Self / Self - Author (2 episodes, 2005)
Self / Self - US Attorney (2 episodes, 2005)
Self / Self - Al-Jazeera (2 episodes, 2005)
Air National Guard / Self / Self - Col. (ret.), USAF (2 episodes, 2005-2006)
Self / Self - Former CIA Agent (2 episodes, 2005)
Self - ABC News (2 episodes, 2005)
Self / Self - 9-11 Commission (2 episodes, 2005)
Self - Author (2 episodes, 2005)
Self / Self - Mayor (2 episodes, 2005-2010)
Self - Former CIA Agent (1 episode, 2005)
Self - Newark Tower (1 episode, 2006)
Self - National Air Traffic Command Center (1 episode, 2006)
NORAD / Self - Maj. Gen. (ret.), US Air Force (1 episode, 2006)
Self (1 episode, 2005)
Air National Guard / Self - Lt. Col., USAF (1 episode, 2006)
Self - Boston Air Traffic Control (1 episode, 2006)
Self - Boston ATC Military Liaison (1 episode, 2006)
Air National Guard / Self - MSgt., USAF (1 episode, 2006)
Self - Ticket Agent (1 episode, 2005)
Self - New York Air Traffic Control (1 episode, 2006)
Self - Former FBI Agent (1 episode, 2005)
Self - Author (1 episode, 2005)
F15 fighter pilot / Self - Major, USAF (1 episode, 2006)
Self - Assistant US Attorney (1 episode, 2005)
Air National Guard / Self - USAF (1 episode, 2006)
Air National Guard / Self - Major, USAF (1 episode, 2006)
Air National Guard / Self - Captain, USAF (1 episode, 2006)
Air National Guard / Self - Technical Sgt., USAF (1 episode, 2006)
Self - Reporter (1 episode, 2005)
Self - 84th Floor Survivor (1 episode, 2005)
Self - Flight Instructor (1 episode, 2005)
Self - FBI Agent (1 episode, 2005)
Self - FAA Red Team (1 episode, 2005)
Self - Firefighter (1 episode, 2005)
Self - Former Senator (1 episode, 2005)
Soldier (1 episode, 2005)
Narrator (unknown episodes)
Wail Al-Sheri (unknown episodes)
Self (uncredited) (1 episode, 2005)
Self - Vice President (uncredited) (1 episode, 2005)
Self - First Lady (uncredited) (1 episode, 2005)
Self - Senator (uncredited) (1 episode, 2005)
Self (archive footage) (uncredited) (unknown episodes)