乔治欧·A·索卡洛斯

Giorgio A. Tsoukalos

饰：Self - Host

David Childress

饰：Self

Steve Feltham

饰：Self - Nessie Hunter

Hubert Zeitlmair

饰：Prehistory Research Foundation

John Brandenberg

饰：Self - Professor of Physics, Madison College

Alexander MacGillivray

饰：Self - Classical Archaeologist, British School of Athens

艾利希·冯·丹尼肯

Erich von Däniken

饰：Self

Adrian Shine

饰：Self - Researcher, Loch Ness Project

Linda Moulton Howe

Linda Moulton Howe

饰：Self - Investigative Journalist, Earthfiles

Igor Witkowski

饰：Self