Michael Stevens
饰:自己
Mary Mouser
饰:Mary
Rosanna Pansino
饰:Self
饰:Self - Clinical & Forensic Psychologist
David Levy
饰:Self - Social Psychologist
饰:Cory
饰:Surveyor #1
饰:Security Chief
饰:Himself - President of METI International
Trin Miller
饰:Scientist
Dominic Monaghan
饰:Self
Adam Savage
饰:Self
Keller Wortham
饰:Self
饰:Self
Henry Mark
饰:Self
Tom Kramer