罗伯特·克洛特沃西

Robert Clotworthy

饰：Self - Narrator

David Childress

饰：Self - Author, Lost Cities and Ancient Mysteries of South America

Lionel Fanthorpe

饰：(as Rev Lionel Fanthrope)

George Noory

饰：Self - Radio Host, Coast to Coast AM

Edwin Barnhart

饰：(as Ed Barnhart PhD)

艾利希·冯·丹尼肯

Erich von Däniken

饰：Self - Author, Chariots of the Gods

Edgar Evans Cayce

饰：(archive footage)

Paul Bahn

饰：(as Paul Bahn PhD)

乔治欧·A·索卡洛斯

Giorgio A. Tsoukalos

饰：Self - Publisher, Legendary Times Magazine

Brien Foerster

饰：Self - Author, A Brief History of the Incas

大卫·威尔库克

David Wilcock

饰：Self - Author, The Synchronicity Key

Robert Schoch

饰：(as Robert Schoch PhD)