All Cast
Kate Mulgrew
Narrator
Michio Kaku
Himself
Lawrence Krauss
Himself
Charissa Saverio
Hologram
Julian Barbour
Himself
Robert J. Bennett
Himself
John Byl
Himself
Bernard J. Carr
Himself
George F.R. Ellis
Himself
John Hartnett
Himself
Ron Hatch
Himself
Martin Selbrede
Himself
Robert Sungenis
Himself