Source : "Ask the Filmmaker". Live chat, www.pbs.org. September 21, 2010.
Laura Poitras
Chelsea Manning
Soldier
Edward Snowden
System Administrator
Glenn Greenwald
Journalist
Jacob Appelbaum
Researcher
Jeremy Scahill
Editor
Julian Assange
Journalist
Oliver Stone
Film director
Pierre Omidyar
Entrepreneur
William Binney
U.S. intelligence official