Distributia
-
Erik DellumsNarrator (voice) (as Erik Todd Dellums)
-
Michio KakuHimself - Theoretical Physicist, City University of New York (as Prof. Michio Kaku)
-
Mike RoweNarrator (voice)
-
Peter SchultzHimself - Impact Specialist, Brown University (as Prof. Peter Schultz)
-
Phil PlaitHimself - Astronomer, Discover Magazine (as Dr. Phil Plait)
-
Michelle ThallerHerself - Astronomer, NASA Goddard Space Flight Cente (as Dr. Michelle Thaller)
-
Amy MainzerHerself - NASA Jet Propulsion Laboratory (as Dr. Amy Mainzer)
-
Dante LaurettaHimself - Cosmochemist, University of Arizona (as Prof. Dante Lauretta)
