 | Peter Coyote als Narrator (voice) |
 | Chris Mellon als Self - Former Deputy Asst. Secretary of Defense for Intelligence |
 | Don Berliner als Self - Aviation Historian |
 | Jacques Vallée als Self - Physicist / Computer Scientist |
 | James Fox als Self - Director, The Phenomenon |
| Gaylan King als Self - Ellsworth AFB, South Dakota |
 | George Knapp als Self - Investigative Reporter |
 | John Podesta als Self - Former White House Chief of Staff |
 | Bill Richardson als Self - Former U.S. Energy Secretary |
 | Harry Reid als Self - Senate Majority Leader (2007-2015) |
 | David Fravor als Self - Navy Strike Fighter Squadron |
| Garry Nolan als Self - Stanford School of Medicine |
 | Salma Siddick als Self |
| Emma Kristiansen als Self - School Teacher |
| Lisil Field als Self - Social Worker |
| Kayleigh Van Druten als Self |
| Kudzanai Munya als Self |
| Emily Trim als Self - Artist |
| Francis Chirimuuta als Self |
| Judy Bates als Self - Headmistress, Ariel School |
| Fife Symington als Self |
 | Gordon Cooper als Self - NASA Astronaut (archive footage) |
 | John A. Samford als Self (archive footage) |
 | J. Allen Hynek als Self (archive footage) |
 | Gerald Ford als Self (archive audio) |
 | Harold Brown als Self - Secretary of the Air Force (archive footage) |
 | Bill Clinton als Self (archive footage) |
 | Laurance Rockefeller als Self (archive footage) |
| Steven Schiff als Self (archive footage) |
 | Edgar D. Mitchell als Self - Apollo 14 Astronaut (archive footage) |
 | Barack Obama als Self (archive footage) |
 | John E. Mack als Self - Psychiatrist, Harvard University (archive footage) |
| Dan Farah | Producer |
| James Fox | Producer |
| James Fox | Director |
| Marc Barasch | Producer |
| Tony Cataldo | Producer |
| Lance Mungia | Producer |
| Marc Barasch | Writer |
| Boris Zubov | Editor |
| James Fox | Editor |
| Robert Hastings | Co-Producer |
| Lee Speigel | Co-Producer |
| Kelly Fox | Co-Producer |
| Christopher Hoag | Original Music Composer |
| Hanson Tse | Producer |
| Lance Mungia | Editor |
| Benjamin Galland | Editor |
| Tracy Tormé | Producer |
| Donald R. Schmitt | Co-Producer |
| Jacques Vallée | Additional Writing |
| Lee Speigel | Additional Writing |
| Lance Mungia | Additional Writing |
| James Fox | Additional Writing |
| Ines Garcia Romero | Producer |
| Tobias McGriff | Producer |
| Tracy Tormé | Creator |
| James Fox | Creator |
| Hanson Tse | Executive Producer |
| James Fox | Executive Producer |
| Mark Fraser | Executive Producer |
| Jordan Pease | Executive Producer |
| Jim Ledwith | Executive Producer |
| Jacques Vallée | Associate Producer |
| George Knapp | Associate Producer |
| Brooke Dammkoehler | Associate Producer |
| Shane Ryan | Associate Producer |
| Kevin D. Randle | Associate Producer |
| Jacques Vallée | Technical Advisor |
| David E. West | Cinematography |
| Stanton Friedman | In Memory Of |
