Reparto (por orden de créditos)
Rico Andrade
Sleeping Guy
James Garvin
Self - Chief Scientist, NASA Goddard
Stephen Petranek
Self - Technology Forecaster
James Barrat
Self - Author, 'Our Final Invention: A.I. & The End of the Human Era'
Nancy Andreasen
Self - Neuroscientist & neuropsychologist
Artemis Westenberg
Self - President, Explore Mars
Bernard Wood
Self - Human Evolutionary Biologist
Jim Phillips
Self - CEO, Nanomech
Corinna E. Lathan
Self - CEO, Anthrotronix
Silvia Muro
Self - Associate Professor, Biotechnology, University of Maryland
Ellen Smith
Self - Emergency & Wilderness Physician
K. Eric Drexler
Self - Nanothechnology Engineer
Ron Smith
Self - Former Director of Psychiatry, NNMC