George Noory

饰：自己 Self

Jonathan Young

饰：自己 Self

斯蒂文·格瑞尔

Steven M. Greer

饰：自己

罗伯特·克洛特沃西

Robert Clotworthy

饰：Self - Narrator

Hugh Newman

饰：Self - Author, Earth Grids

Michael Dennin

饰：(as Michael Dennin PhD)

Jason Martell

饰：Self - Author, Knowledge Apocalypse

Brien Foerster

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

Philip Coppens

饰：Self - Author, The Ancient Alien Question

John DeSalvo

饰：(as John DeSalvo PhD)

Edwin Barnhart

饰：(as Edwin Barnhart PhD)

Graham Hancock

饰：Self

艾利希·冯·丹尼肯

Erich von Däniken

饰：Self - Author, Chariots of the Gods

Semir Sam Osmanagich

饰：(as Sam Osmanagich PhD)

乔治欧·A·索卡洛斯

Giorgio A. Tsoukalos

饰：Self - Publisher, Legendary Times Magazine

Robert Bauval

饰：Self - Co-Author, Black Genesis

David Childress

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

Sabina Magliocco

饰：(as Sabina Magliocco PhD)

Robert Schoch

饰：(as Robert Schoch PhD)

Tok Thompson

饰：(as Tok Thompson PhD)