Full Cast & Crew

David Attenborough as Self - Narrator (archive sound)

Sean Carroll as Self - Narrator (archive sound)

Craig Childs as Self - Narrator (archive sound)

Brian Cox as Self - Narrator (archive sound)

Alex Filippenko as Self - Narrator (archive sound)

Stephen Hawking as Self - Narrator (archive sound)

Michio Kaku as Self - Narrator (archive sound)

Lawrence Krauss as Self - Narrator (archive sound)

Janna Levin as Self - Narrator (archive sound)

Phil Plait as Self - Narrator (archive sound)

Martin Rees as Self - Narrator (archive sound)

Michelle Thaller as Self - Narrator (archive sound)

Neil deGrasse Tyson as Self - Narrator (archive sound)

Mike Rowe as Self - Narrator (archive sound)