Kyle Ross

彼得·切斯尼

Peter Chesney

饰：Self - Special Effects Designer

Peter Chesney Jr.

饰：Self - Special Effects Technician

Robert J. Durant

饰：Self - Roswell Researcher

Stanton Friedman

饰：Self - Nuclear Physicist and Co-author, 'Crash at Corona'

Frank Joyce

饰：Self - Journalist

Jesse Marcel Jr.

饰：Self - Eyewitness,(as Dr. Jesse Marcel Jr.)