| Person | Type | Job | Role(s) |
|---|---|---|---|
 Thomas C. Grane | Crew | Directing | Director |
 Barry Nolan | Cast | Actor | Self / WNN News Anchor Barry Nolan |
 Bill Pullman | Cast | Actor | Self |
 Dean Devlin | Cast | Actor | Self |
Ernie Anastos | Cast | Actor | WNN's New York City Correspondent Ernie Anastos |
Hans Holzer | Cast | Self - Professor, Ph.D., Author | |
 Harry Connick Jr. | Cast | Actor | Self |
 Jeff Goldblum | Cast | Actor | Self |
 Margaret Colin | Cast | Actress | Self / White House Press Secretary Constance Spano |
 Mary McDonnell | Cast | Actress | Self |
 Robert Loggia | Cast | Actor | Self / U.S. Space Command General Grey |
 Roland Emmerich | Cast | Actor | Self |
 Ronald Reagan | Cast | Actor | Self (archive footage) |
 Vivica A. Fox | Cast | Actress | Self |
Whitley Strieber | Cast | Actor | Self - Author, 'Communion' |
 Will Smith | Cast | Actor | Self |
 Jerry Dunphy | Cast | Actor | WNN's Pentagon Correspondent Jerry Dunphy |
Oleg Kalugin | Cast | Actor | Self - Former KGB General |
Lincoln D. Hiatt | Cast | Actor | WNN Reporter Colin Barclay in Hyattsville, Maryland |
Bruce Maccabee | Cast | Actor | Self - Physicist, Strategic Defense Initiative |
 Wendy L. Walsh | Cast | Actress | WNN Reporter Wendy Walsh, Los Angeles |
Barbara Beck | Cast | WNN Reporter Monica Soloway, Andrews Air Force Base | |
 Robert M. Wood | Cast | Actor | Self - Ph.D., Mutual UFO Network |
Don Ecker | Cast | Self - Director of Research, UFO Magazine | |
John F. Schuessler | Cast | Actor | Self - Aerospace Engineer |
Michael Lindemann | Cast | Self - Institute for the Study of Contact w/Non-Human Intel. | |
Robert D. McKenzie | Cast | Self - Retired Captain, United States Navy | |
Bret Lewis | Cast | WNN's White House Correspondent Bret Lewis | |
Don Berliner | Cast | Actor | Self - Chairman, Fund for UFO Research |
James W. Canan | Cast | Self - Writer & Retired Military Intelligence | |
| Person | Type | Job | Role(s) |
