约翰·瑟尔

John Roy Robert Searl

饰：自己

Frederic Eger

饰：自己

Harold White

饰：自己

加来道雄

Michio Kaku

饰：自己

Miguel Alcubierre

饰：Self - Guest,(archive footage)

Fernando Morris

饰：Self - Guest

Samantha Cristoforetti

饰：Self - Guest,(archive footage)

Marc Millis

饰：Self - Guest,(archive footage)