大卫·爱登堡
Self - Narrator (archive sound)
Sean Carroll
Self - Narrator (archive sound)
Craig Childs
Self - Narrator (archive sound)
布莱恩·考克斯
Self - Narrator (archive sound)
Alex Filippenko
Self - Narrator (archive sound)
史蒂夫·霍金
Self - Narrator (archive sound)
Michio Kaku
Self - Narrator (archive sound)
Lawrence Krauss
Self - Narrator (archive sound)
Janna Levin
Self - Narrator (archive sound)
Phil Plait
Self - Narrator (archive sound)
Martin Rees
Self - Narrator (archive sound)
Michelle Thaller
Self - Narrator (archive sound)
Neil deGrasse Tyson
Self - Narrator (archive sound)
Neil deGrasse Tyson
Self - Narrator (archive sound)
