ACTORES
- Morgan Freeman
Self - Narrator - Sean Carroll
Self - Michio Kaku
Self - Theoretical Physicist - Kip Thorne
Self - Carlos Frenk
Self - Astrophysicist - Max Tegmark
Self - Theoretical Physicist - Paul Davies
Self - Cosmologist - Lee Smolin
Self - Physicist - Janna Levin
Self - Frank Tipler
Self - Mathematical Physicist - Frank Close
Self - Theoretical Physicist, Oxford University - Michael Persinger
Self - Cognitive Neuroscience Researcher - Paul Steinhardt
Self - Theoretical Physicist, Princeton University - Andy Albrecht
Self - Cosmologist - Will Wright
Self - Game Designer - Alan Guth
Self - MIT - David Spergel
Self - Princeton University - Steve Nahn
Self - Particle Physicist - David Eagleman
Self - Neuroscientist, Baylor College of Medicine - Robert Lanza
Self - M.D, Scientist - Sandy Pentland
Self - Head of Human Dynamics Lab, M.I.T - Cuete Yeska
George santiago - Leonard Susskind
Self - Theoretical Physicist - Stephen Mojzsis
Self - Geologist - Neil Turok
Self - Physicist, Perimeter Institute - Steven Jefferts
Self - Atomic Scientist - Geoff Marcy
Self - Phd., Astronomer, University of California, - Lynn Rothschild
Self - NASA Ames Research Center - Richard Massey
Self - Physicist, Royal Observatory Edinburgh - Saul Perlmutter
Self - Astrophysicist