Distributia
-
Kevin R. GrazierEl însuși
-
Mike CappsHimself - Technology Theorist
-
William J. BirnesHimself - Author, ' The Day After Roswell'
-
David BrinHimself - Phd., SF Author & Astrophysicist
-
Erik DellumsNarrator (as Erik Todd Dellums)
-
Stanton FriedmanHimself - Nuclear Physicist
-
Robert GibsonHimself - Astronaut (as Robert 'Hoot' Gibson)
-
Marc D'AntonioHimself - Astronomer & Image Analyst
-
Jim BellHimself - Professor, Mars Planetary Scientist (as Jim Bell)
-
Richard BinzelHimself - Professor, Planetary Scientist
-
Daniel CastroHimself - Phd., Astrophysicist
-
J.J. KavelaarsHimself - Astronomer
-
Jean-Luc CambierHimself - Phd., Physicist
-
Joseph DwyerHimself - Professor, Atmospheric Scientist
-
Sam DurranceHimself - Professor, Astronaut
