When Aliens Attack
Narrator (voice)
Self - SETI Institute
Self - U.K. Ministry of Defense
Self - Director of Defense Studies, West Point
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
Scientist
News Correspondent
