Distributia
-
Kevin R. GrazierHimself
-
Erik ThompsonNarrator
-
Lucianne WalkowiczHerself
-
Seth ShostakHimself - SETI Institute
-
Alex FilippenkoHimself - Ask 'The Universe'
-
Andrew NgHimself - Director, Stanford A.I. Lab
-
Clifford JohnsonHimself - Univ. of Southern California (as Clifford Johnson)
-
Richard ObousyHimself - Theoretical Physicist