Reparto (por orden de créditos)
Ben McGee
Self - Host
Erin Ryder
James Fox
Ted Loman
Self - Ufologist
Lee Roy Gaitan
Self - Constable & Eyewitness
A.J. Gevaerd
Self - UFO Researcher
Terry Connett
Self - Eyewitness
Sarah
Robert Osband
Pedro Hernandez
Rene Blanco
Self - Translator
Sue Edwards
Kacey Simmons
Wayne Mattson
Self - U.S. Air Force Missile Expert
Eduardo Braga
Self - Translator & Guide
Arizona Skyhawks
Themselves - Pyrotechnic Skydive Performers
Steve Bishop
Justin Moncrief
John B. Alexander
Self - U.S. Army Colonel
Robert Spears
Jose Pereira
Self - Brigadier General, Brazilian Air Force
Jeff Willes
Self - UFO Investigator
Alfredo Carrillo
Brandy Edwards
Dee Gragg
Self - U.S. Air Force Senior Analyst
Eva Moncrief
Clifford E. Stone
Self - U.S. Army
Jaime Maussan
Self - Journalist & Ufologist
Ricky Sorrells
Edgar D. Mitchell
Self - Retired Astronaut
Jason McClellan
Liliane Silva
Self - Witnessed the Varginha Creature
Roy Malmberg
Self - Director, FLIR Mobil Unit
Bob Edwards
Alejandro Rojas
Jeffrey González
Frank Kimbler
Self - Geologist
Valkiria Silva
Santos Bruno Jr.
Tom Miller
Self - Local Rancher
Travis Walton
Self - Logger & Alleged Abductee
Johnny Cobbler
Manuel Amparano
Katia Andrade Xavier
Mike Duran
Self - Local Rancher & Eyewitness
Chuck Zukowski
Cholee Spicer
Eric McKernann
Self - Search and Rescue Officer
Stan Romanek
Self - Alleged Abductee
Jamar Spicer
Steve Allen
Self - Pilot & Eyewitness