طاقم التمثيل
Philip Hersh
News Correspondent
Eric Raymond Lim
Resistance Fighter
Richard Miraan
Astronomer
Neil Strauss
Self - Author, Emergency
Carin Chea
Laboratory Scientist
Avihai Yaffe
Survivor
Matt Lasky
Survival Expert
James Lurie
Narrator (voice)
Stephen Hawking
Self - Theoretical Physicist (archive footage)
Leandro DiMonriva
Scientist
Seth Shostak
Self - SETI Institute
Nick Pope
Self - U.K. Ministry of Defense
Jose Rosete
Survivor