Calificación
Reparto

Zac Manchester
Self - Engineer

Sudan Paramesvaran
Self - Researcher

Albert Einstein
Self (archive footage)

Stephen Hawking
Self (archive footage)

Sylvester James Gates
Self - Physicist

David Kaiser
Self - Physicist

Sean Carroll
Self - Physicist

Brian Greene
Self - Physicist

Janna Levin
Self - Professor of Physics and Astronomy

Hakeem Muata Oluseyi
Self - Astrophysicist

Robbert Dijkgraaf
Self - Physicist

Jocelyn Bell Burnell
Self - Astrophysicist

Kip Thorne
Self - Physicist