远古外星人 第六季

大卫·威尔库克

饰：自己

斯蒂文·格瑞尔

饰：自己

罗伯特·克洛特沃西

饰：Self - Narrator

Tok Thompson

饰：(as Tok Thompson PhD)

Jeffrey Mishlove

饰：(as Jeffrey Mishlove PhD)

Nick Pope

饰：Self - Author, Open Skies, Closed Minds

David Childress

饰：Self - Author, Technology of the Gods

Philip Coppens

饰：Self - Author, The Lost Civilization Enigma

Michael Dennin

饰：(as Michael Dennin PhD)

Sabina Magliocco

饰：(as Sabina Magliocco PhD)

Adrian Gilbert

饰：Self - Co-Author, The Orion Mystery

Jonathan Young

饰：(as Jonathan Young PhD)

Robert Schoch

饰：(as Robert Schoch PhD)

乔治欧·A·索卡洛斯

饰：Self - Publisher, Legendary Times Magazine

Deepak Shimkhada

饰：(as Deepak Shimkhada PhD)

Mike Bara

饰：Self - Author, The Choice

Robert Mullins

饰：(as Robert Mullins PhD)

巴拉克·奥巴马

饰：(archive footage)

凯文·布恩斯

Kaylan Eggert

Natasha Neely

Mark Holmberg

Michael J. White

罗萨

罗萨

Natasha Neely