Narrator (voice)
James Lurie
Self - SETI Institute
Seth Shostak
Self - Author, Live Free or Die
John Ringo
Self - Author: Adventures Among Ants
Mark Moffett
Self - Washington State University
Dirk Schulze-Makuch
Self - Author, Emergency
Neil Strauss
Self - onPoint Tactical
Kevin Reeve
Self - Gunnery Sergeant, USMC
Quay Terry
Self - High Altitude Research Corp.
Bill Brown
Survivor
Elise Cantu
Laboratory Scientist
Carin Chea
Zee Cruise
Self - U.K. Ministry of Defense
Nick Pope
Scientist
Leandro DiMonriva
Kenneth Favell
News Correspondent
Philip Hersh
Sydney Jay
Resistance Leader
Christopher Clay Jones
Survival Expert
Matt Lasky
Resistance Fighter
Eric Raymond Lim
Desiree Martin
Tiffany Martinez
Astronomer
Richard Miraan
Self - Director of Defense Studies, West Point
Brian De Toy
Jose Rosete
David Schlachtenhaufen
Agent Patterson
Christopher Warren
Avihai Yaffe
Human Resistance Leader
Justin Cuomo
Self - Theoretical Physicist (archive footage)
Stephen Hawking
Self - USAF Air Command and Staff College
Paul Springer
Self - Physicist & Author
Travis Taylor
Self - Co-Author, Alien Invasion: How to Defend Earth
Bob Boan
Self - Author, Contact with Alien Civilizations
Michael Michaud
Self
Paul Parsons
Writer
Savas Georgalis
Director
Louis C. Tarantino
Jesse Evans