Diretor/a
Nelly Ben Hayoun
DIRETOR/A
Elenco (na ordem dos créditos)
Self - Interviewer
David Morrison
Self - Director, Carl Sagan Center SETI Institute
John W. Boyd
Self - Senior Advisor to the Center Director, NASA Ames Research Center
Simon P. Worden
Self - Director, NASA Ames Research Center
Eric Christensen
Self - Principle Investigator, Catalina Sky Survey
José Luis Galache
Self - Astronomer, Minor Planet Center
Gareth V. Williams
Self - Associate Director, Minor Planet Center
Don Yeomans
Self - Manager of the Near-Earth Object Program Office, NASA JPL
Steven Chesley
Self - Astrodynamicist, Near-Earth Object Program, NASA JPL
Paul Chodas
Franck Marchis
Self - Senior Planetary Astronomer, SETI Institute
Patrick Donnelly
Self - Amateur Astronomer, Fremont Peak Observatory
Lindley N. Johnson
Self - NEO Programs Executive, NASA HQ
Sergio Camacho Lara
Self - Former Director, UN Office for Outer Space Affairs
Peter Jenniskens
Self - Meteor Astronomer, SETI Institute
Mark Boslough
Self - Physicist, Sandia National Laboratories
Daniel D. Mazanek
Self - Senior Space Systems Engineer, NASA Langley Research Center
Russell Schweickart
Self - Apollo 9 Astronaut
Donald Romero
Self - Cowboy, Cedar Crest Country Stables
Will Welch
Self - Communications Manager, Texas A&M Engineering Extension Service
Tony Crites
Self - Program Director, Texas A&M Engineering Extension Service
Margaret S. Race
Self - Senior Research Scientist, SETI Institute
Seth Shostak
Jean Baudrillard's 'America'voice