 Bryant GumbelSelf - Host | Self - Host |
| JJerry BettersSelf - Kecksburg Witness | Self - Kecksburg Witness |
| GGeorgina BruniSelf - Author, You Can't Tell the People | Self - Author, You Can't Tell the People |
| BBill BulebushSelf - Kecksburg Witness | Self - Kecksburg Witness |
| EEdward CabansagSelf - Airman 1st Class / Witness | Self - Airman 1st Class / Witness |
| TTom CareySelf - Roswell Investigator | Self - Roswell Investigator |
 Richard DolanSelf - Author, UFOs and the National Security State | Self - Author, UFOs and the National Security State |
| TTimothy GoodSelf - Author, Above Top Secret | Self - Author, Above Top Secret |
| RRay GulyasSelf - Flight Commander (as Master Sgt. Ray Gulyas USAF Ret.) | Self - Flight Commander (as Master Sgt. Ray Gulyas USAF Ret.) |
| CCharles I. HaltSelf - Former Deputy Base Commander / Witness | Self - Former Deputy Base Commander / Witness |
| GGerry HarrisSelf - Witness | Self - Witness |
| RRay HicksSelf - Prof. of Forestry, West Virginia University | Self - Prof. of Forestry, West Virginia University |
| PPeter Hill-NortonSelf - Former Admiral of the Fleet (as Lord Hill-Norton) | Self - Former Admiral of the Fleet (as Lord Hill-Norton) |
| NNancy Easley JohnstonSelf - Daughter of Roswell Witness, Major Edwin Easley | Self - Daughter of Roswell Witness, Major Edwin Easley |
 Jesse Marcel JrSelf - Son of Roswell Witness, Major Jesse Marcel | Self - Son of Roswell Witness, Major Jesse Marcel |
| MMonroe NevelsSelf - Witness (as Staff Sgt. Monroe Nevels USAF Ret.) | Self - Witness (as Staff Sgt. Monroe Nevels USAF Ret.) |
| JJames PennistonSelf - Witness (as Tech. Sgt. Jim Penniston USAF Ret.) | Self - Witness (as Tech. Sgt. Jim Penniston USAF Ret.) |
 Nick PopeSelf - Ministry of Defence UFO Desk, 1991-1994 | Self - Ministry of Defence UFO Desk, 1991-1994 |
 Nick RedfernSelf - Author, Strange Secrets | Self - Author, Strange Secrets |
| PPeter RobbinsSelf - Co-Author, Left at East Gate | Self - Co-Author, Left at East Gate |
| VVincent ThurkettleSelf - Rendlesham Forrester, 1977-1986 | Self - Rendlesham Forrester, 1977-1986 |
| LLarry WarrenSelf - Airman 1st Class, 81st Sec. Police / Witness | Self - Airman 1st Class, 81st Sec. Police / Witness |
| BBill WeaverSelf - Kecksburg Witness | Self - Kecksburg Witness |
| MMarina L. WebbSelf - Witness | Self - Witness |
| RRoy J. WebbSelf - Witness | Self - Witness |
| GGordon E. WilliamsSelf - Commander, 81st Tactical Fighter Wing | Self - Commander, 81st Tactical Fighter Wing |
 George W. BushSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Winston ChurchillSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
 Dwight D. EisenhowerSelf (archive footage) (uncredited) | Self (archive footage) (uncredited) |
| BBruce EnglundSelf - US Air Force (voice) (archive footage) (uncredited) | Self - US Air Force (voice) (archive footage) (uncredited) |