When Aliens Attack 2011

... Narrator (hlas)

... Self - SETI Institute

... Self - U.K. Ministry of Defense

... Self - Director of Defense Studies, West Point

Stephen Hawking

... Self - Theoretical Physicist (archive footage)

... Self - USAF Air Command and Staff College

... Self - Physicist & Author

... Self - Co-Author, Alien Invasion: How to Defend Earth

... Self - Author, Contact with Alien Civilizations

... Self

... Self - Author, Live Free or Die

... Self - Author: Adventures Among Ants

... Self - Washington State University

... Self - Author, Emergency

... Self - onPoint Tactical

... Self - Gunnery Sergeant, USMC

... Self - High Altitude Research Corp.

... Survivor

... Laboratory Scientist

... Survivor

... Scientist

... Survivor

Philip Hersh

... News Correspondent

... Survivor

... Resistance Leader

Matt Lasky

... Survival Expert

... Resistance Fighter

... Survivor

... Survivor

... Astronomer

... Survivor

... Resistance Fighter

... Agent Patterson

... Survivor

Justin Cuomo

... Human Resistance Leader

... Director

... Writer

... Writer