William Shatner
Self
Neil deGrasse Tyson
Self
Chris Hadfield
Self
Whoopi Goldberg
Self
Stephen Hawking
Self
Jason Alexander
Self
Seth MacFarlane
Self
David Suzuki
Self
Ben Stiller
Self
Michio Kaku
Self
J. Craig Thompson
The Truth Is in the Stars
Released
Bande-annonce
