罗伯特·克洛特沃西

Robert Clotworthy

饰：Self - Narrator

Linda Moulton Howe

Linda Moulton Howe

饰：Self - Investigative Journalist, Earthfiles

Richard Dolan

Richard Dolan

饰：Self - Author, UFOs and the National Security State

Nick Pope

饰：Self - British Ministry of Defence, 1985 - 2006

Seth Shostak

饰：(as Seth Shostak PhD)

Paul Hellyer

Paul Hellyer

饰：(as Hon Paul Hellyer)

Jerry Ehman

饰：(archive footage)

史蒂芬·霍金

Stephen Hawking

饰：(archive footage)

J. Allen Hynek

饰：(archive footage)

Edgar D. Mitchell

饰：(archive footage)

Nathan Twining

饰：(archive footage)

Christopher Chacon

饰：Self - UFOlogist Anomalist

Jan Harzan

饰：(as Jan C Harzan)

Mike Bara

Mike Bara

饰：Self - Author, Ancient Aliens and Secret Societies

Jonathan Young

饰：(as Jonathan Young PhD)

乔治欧·A·索卡洛斯

Giorgio A. Tsoukalos

饰：(as Giorgio Tsoukalos)

大卫·威尔库克

David Wilcock

饰：Self - Author, The Synchronicity

Jason Martell

饰：Self - Author, Knowledge Apocalypse

Kenneth Arnold

饰：(archive footage)

Frank Drake

饰：(archive footage)

Roscoe Hillenkoetter

饰：(archive footage)

Yuri Milner

饰：(archive footage)