Stars (in credits order)
Sophie Shevardnadze
Self - Host
Larry King
Self
Mahmoud Ahmadinejad
Noam Chomsky
Mikhail Gorbachev
Alan Dershowitz
Jill Stein
Ed Schultz
Jill Tarter
Wolfgang Schüssel
Oliver Stone
Douglas Vakoch
Self - Dr. Douglas Vakoch, President of METI
Ralph Nader
Chris Hadfield
