David Attenborough
Narrator (archive sound)
Acting
Sean Carroll
Narrator (archive sound)
Acting
Craig Childs
Narrator (archive sound)
Acting
Brian Cox
Narrator (archive sound)
Acting
Alex Filippenko
Narrator (archive sound)
Acting
Stephen Hawking
Narrator (archive sound)
Acting
Michio Kaku
Narrator (archive sound)
Acting
Lawrence Krauss
Narrator (archive sound)
Acting
Janna Levin
Narrator (archive sound)
Acting
Phil Plait
Narrator (archive sound)
Writing
Martin Rees
Narrator (archive sound)
Acting
Mike Rowe
Narrator (archive sound)
Acting
Michelle Thaller
Narrator (archive sound)
Creator
Neil deGrasse Tyson
Narrator (archive sound)
Acting