George Knapp

饰：Self - Investigative Reporter

Colm Kelleher

饰：Self - Microbiologist

Jeremy Kenyon Lockyer Corbell

饰：Self - Investigative Filmmaker

John B. Alexander

饰：Self - Consultant,(as Dr. John B. Alexander)

罗伯特·彼得·西米利安·威廉姆斯

Robert Peter Maximillian Williams

饰：Self