Reparto (por orden de créditos)
Giorgio A. Tsoukalos
Self - Host
Erich von Däniken
Self
David Childress
Peter Daughtrey
Self - Author 'Atlantis and the Silver City'
Jonathan Bright
Investigator
Vanessa Ciantar
Self - Curator, National Museum of Archaeology, Malta
Steve Feltham
Self - Nessie Hunter
Marcus Atkinson
Self - Captain, Cruise Loch Ness
Juan Navarro
Curator, Paracas History Museum
Adrian Shine
Self - Researcher, Loch Ness Project
Katy Elizabeth
Self - Cryptozoologist
Linda Bowden
Self - Educator, ECHO Lake Aquarium and Science Center
Hubert Zeitlmair
Prehistory Research Foundation
Anthony Bonanno
Self - Prof. of Archaeology
Don Stevens
Self - Chief, Abenaki Nation
Will Amidon
Self - Assistant Professor of Geology, Middlebury College (as Will Amidon, PhD)
John Brandenburg
Self - Professor of Physics, Madison College
Linda Moulton Howe
Self - Investigative Journalist, Earthfiles
Tori Randall
Igor Witkowski
Alexander MacGillivray
Self - Classical Archaeologist, British School of Athens