10エピソード以上出演したキャスト
Giorgio A. Tsoukalos
David Childress
William Henry
Jonathan Young
Erich von Däniken
Jason Martell
David Wilcock
George Noory
Michael Dennin
Linda Moulton Howe
Andrew Collins
Nick Pope
Philip Coppens
Nick Redfern
Bill Birnes
Ariel Bar Tzadok
Mike Bara
Hugh Newman
Robert Schoch
Deepak Shimkhada
Richard Rader
Sabina Magliocco
Kathleen McGowan Coppens
Robert Bauval
Travis Taylor
Richard Dolan
Dominic Steavu
John Brandenburg
Caroline Cory
Robert R. Cargill
Ramy Romany
Kirsten Fisher
Tok Thompson
Michio Kaku
Edwin Barnhart
Brien Foerster
Logan Hawkes
Graham Hancock
Michael J.S. Carter
William Bramley
Graham Phillips
Seth Shostak
Michael Cremo
Barry Downing
Michael Salla
Sara Seager
Paul Stonehill
Robert H. Frisbee
Christopher Pittman
Paul Davies
Layne Little
David Whitehead
