Distributia
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Mike CappsHimself - Technology Theorist
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William J. BirnesEl însuși
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Richard LinternNarrator (voice)
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Nick PopeEl însuși
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Peter H. SchultzEl însuși
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Alfred WordenEl însuși
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Jim Bell(as Jim Bell)
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Alan BeanHimself - Apollo 12 Astronaut
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Erik DellumsNarrator (as Erik Todd Dellums)
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Matt GengeHimself - Planetary Scientist
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Marc D'AntonioHimself - Chief Image Analyst, MUFON
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Pascal LeeHimself - NASA Planetary Scientist
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Richard HooverHimself - Ex-NASA Astrobilogist (as Richard B. Hoover)
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Kevin H. BainesHimself - Planetary Scientist (as Kevin Baines)
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Christopher OrwollHimself - Director, New Mexico Museum of Space History
