饰:Self - Astronomer
Erik Dellums
配:(as Erik Todd Dellums)
Michio Kaku
饰:(as Dr Michio Kaku)
饰:Self - Astrophysicist
Richard Lintern
饰:Self - Narrator
Lawrence Krauss
饰:(as Lawrence M Krauss)
饰:Self - Astrophysicist
饰:Self - Astronomer
Nigel Henbest
Kev Robertson
Louise Say
Nigel Henbest