Narrator (voice)

Robert Clotworthy

Self

Jonathan Young

Self

Hugh Newman

Seth Shostak

Seth Shostak

Linda Moulton Howe

Linda Moulton Howe

Michael Dennin

Michael Dennin

Host

George Noory

Giorgio A. Tsoukalos

Giorgio A. Tsoukalos

Jason Martell

Jason Martell

Chris Dunn

Thomas Brophy

Thomas Brophy

Self

Ariel Bar Tzadok

Mike Bara

Mike Bara

Dan Hooper

Dan Hooper

Philip Coppens

Philip Coppens

Patrick Flanagan

Patrick Flanagan

Richard Dolan

Richard Dolan

David Childress

David Childress

Robert Bauval

Robert Bauval

Edwin Barnhart

Self

Erich von Däniken

Semir Osmanagich

David Wilcock

David Wilcock

Self

Nick Pope

David Hatcher Childress

Self

Bill Birnes

Self

Robert M. Schoch

Self

Nick Redfern

Brien Foerster

Self

William Henry

Self - Dr. Theoretical Physics Professor

Michio Kaku

Himself

Ramy Romany

Self - Author

Mark Koltko-Rivera