远古外星人 第十一季

Sue Ann Pien

饰：自己

罗伯特·克洛特沃西

饰：Self - Narrator

David Childress

饰：Self - Author, Technology of the Gods

Michael Dennin

饰：(as Michael Dennin PhD)

Robert Bauval

饰：Self - Author, Secret Chamber Revisited

Christopher Chacon

饰：Self - Anomalist

大卫·威尔库克

饰：Self - Author, The Synchronicity Key

Rear Admiral Richard E. Byrd

饰：(archive footage) (as Admiral Robert Byrd)

Jonathan Young

饰：(as Jonathan Young PhD)

乔治欧·A·索卡洛斯

饰：Self - Publisher, Legendary Times Magazine

George Noory

饰：Self - Radio Host, Coast to Coast AM

Linda Moulton Howe

饰：Self - Investigative Journalist, Earthfiles

阿尔伯特·爱因斯坦

饰：(archive footage)

Max Thompson

Michael J. White

Michael J. White