史蒂文·威廉姆斯

Stephen Williams

饰：Himself - Host

Sean David Morton

饰：Himself

David Adair

饰：Himself

Jim Dilettoso

饰：Himself

John Criswell

饰：Himself

Michael Hesemann

饰：Himself

Alexa Koenig

饰：EBE-1

鲍勃·拉扎尔

Bob Lazar

饰：Himself

里克·贝克

Rick Baker

饰：Himself

阿尔特·贝尔

Art Bell

饰：Himself

Tom Coleman

Tom Coleman

饰：Himself

Greg O'Neill

饰：Himself - Narrator

R.C. Rosenbalm

饰：自己

丹·欧班农

Dan O'Bannon

饰：自己

Paul Greenstein

Paul Greenstein

饰：1950s Scientist

Kenneth McCabe

饰：1970s Scientist

Greg O'Neil

饰：Self - Narrator

Cindie Haynie

饰：EBE-3