 Peter CoyoteNarrator (voice) | Narrator (voice) |
 Chris MellonSelf - Former Deputy Asst. Secretary of Defense for Intelligence | Self - Former Deputy Asst. Secretary of Defense for Intelligence |
| DDon BerlinerSelf - Aviation Historian | Self - Aviation Historian |
 Jacques ValléeSelf - Physicist / Computer Scientist | Self - Physicist / Computer Scientist |
 James FoxSelf - Director, The Phenomenon | Self - Director, The Phenomenon |
| GGaylan KingSelf - Ellsworth AFB, South Dakota | Self - Ellsworth AFB, South Dakota |
 George KnappSelf - Investigative Reporter | Self - Investigative Reporter |
 John PodestaSelf - Former White House Chief of Staff | Self - Former White House Chief of Staff |
 Bill RichardsonSelf - Former U.S. Energy Secretary | Self - Former U.S. Energy Secretary |
 Harry ReidSelf - Senate Majority Leader (2007-2015) | Self - Senate Majority Leader (2007-2015) |
 David FravorSelf - Navy Strike Fighter Squadron | Self - Navy Strike Fighter Squadron |
 Garry NolanSelf - Stanford School of Medicine | Self - Stanford School of Medicine |
 Salma SiddickSelf | Self |
| EEmma KristiansenSelf - School Teacher | Self - School Teacher |
| LLisil FieldSelf - Social Worker | Self - Social Worker |
| KKayleigh Van DrutenSelf | Self |
| KKudzanai MunyaSelf | Self |
| EEmily TrimSelf - Artist | Self - Artist |
| FFrancis ChirimuutaSelf | Self |
| JJudy BatesSelf - Headmistress, Ariel School | Self - Headmistress, Ariel School |
| FFife SymingtonSelf | Self |
 Gordon CooperSelf - NASA Astronaut (archive footage) | Self - NASA Astronaut (archive footage) |
 John A. SamfordSelf (archive footage) | Self (archive footage) |
 J. Allen HynekSelf (archive footage) | Self (archive footage) |
 Gerald FordSelf (voice) (archive sound) | Self (voice) (archive sound) |
 Harold BrownSelf - Secretary of the Air Force (archive footage) | Self - Secretary of the Air Force (archive footage) |
 Bill ClintonSelf (archive footage) | Self (archive footage) |
 Laurance RockefellerSelf (archive footage) | Self (archive footage) |
| SSteven SchiffSelf (archive footage) | Self (archive footage) |
 Edgar D. MitchellSelf - Apollo 14 Astronaut (archive footage) | Self - Apollo 14 Astronaut (archive footage) |
