| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Jerry Risius | Crew | Camera | Director of Photography | 5 |
 Joel Watson | Crew | Editing | Editor | 1 |
Nelson Hume | Crew | Camera | Director of Photography | 5 |
 Ricki Stern | Crew | Directing | Director, Executive Producer | 5 |
Ceiri Torjussen | Crew | Sound | Music | 5 |
David Moyes | Crew | Editing | Editor | 1 |
Meghan O'Hara | Crew | Production | Executive Producer | 5 |
Jonathan Nastasi | Crew | Camera | Director of Photography | 5 |
Seth Keal | Crew | Camera | Additional Camera, Editor, Producer | 5 |
Lorian James Delman | Crew | Editing | Editor | 2 |
Kate Lewin Hilgenberg | Crew | Production | Line Producer | 5 |
Christine Schomer | Crew | Production | Supervising Producer | 2 |
Derek Pons | Crew | Editing | Editor | 2 |
 Leslie Kean | Crew | Production | Consulting Producer | 5 |
Charles Miller | Crew | Camera | Additional Director of Photography | 2 |
Lloyd Fales | Crew | Production | Supervising Producer, Co-Executive Producer | 1 |
 George W. Bush | Cast | Actor | Self (archive footage) | 1 |
Helene Cooper | Cast | Actress | Self – New York Times Pentagon Correspondent | 1 |
 J. Allen Hynek | Cast | Actor | Self – Scientific Advisor to Project Blue Book (archive footage) | 3 |
 Jimmy Carter | Cast | Actor | Self (archive footage) | 1 |
 Joe Biden | Cast | Actor | Self (archive footage) | 1 |
 Michio Kaku | Cast | Actor | Self – Theoretical Physicist | 1 |
 Steven Spielberg | Cast | Actor | Self (archive footage) | 1 |
 Barack Obama | Cast | Actor | Self (archive footage) | 1 |
 Jeff Bezos | Cast | Actor | Self (archive footage) | 1 |
 Neil deGrasse Tyson | Cast | Actor | Self – Director, Hayden Planetarium | 1 |
 James Fox | Cast | Actor | Self – Filmmaker | 1 |
 Robert Salas | Cast | Actor | Self – Retired Air Force Captain | 1 |
John Callahan | Cast | Actor | Self – FAA Division Chief, Retired 2011 | 1 |
 Marco Rubio | Cast | Actor | Self – Senate Intelligence Committee Vice Chairman | 1 |
 Mark O'Connell | Cast | Actor | Self – Author, J. Allen Hynek Biography | 2 |
 Luis Elizondo | Cast | Actor | Self – Former Counterintelligence Agent | 3 |
 Kirsten Gillibrand | Cast | Actress | Self – Senate Armed Services Committee | 2 |
 David Fravor | Cast | Actor | Self – Former Navy Pilot | 2 |
 Seth Shostak | Cast | Actor | Self – Sr. Astronomer, SETI Institute | 1 |
 Avi Loeb | Cast | Actor | Self – Astrophysicist, Harvard University | 1 |
 Jacques Vallée | Cast | Actor | Self – Astronomer & Internet Pioneer | 2 |
 John Podesta | Cast | Self – Former White House Chief of Staff | 3 | |
 Harry Reid | Cast | Actor | Self – Former Senate Majority Leader | 2 |
 Garry Nolan | Cast | Actor | Self – Professor, Stanford University Dept. of Pathology | 1 |
 Derrick Pitts | Cast | Actor | Self – Chief Astronomer, The Franklin Institute | 3 |
Leslie Kean | Cast | Actress | Self – Investigative Journalist | 5 |
 John A. Samford | Cast | Actor | Self – Dir. of Intelligence, U.S. Air Force (archive footage) | 1 |
 Harold Brown | Cast | Actor | Self – Secretary of the Air Force (archive footage) | 2 |
Linda Zimmermann | Cast | Actress | Self – Author, 'Hudson Valley UFOs' | 1 |
Mark Rodeghier | Cast | Actor | Self – Scientific Director, Center for UFO Studies (CUFOS) | 4 |
Richard F. Haines | Cast | Actor | Self – Chief Scientist, NARCAP Retired | 1 |
Robert Powell | Cast | Actor | Self – Co-Founder, Scientific Coalition for UAP Studies | 3 |
| Person | Type | Job | Role(s) | Episodes |
