เจาะอดีตลับจากต่างดาว

Robert Clotworthy

Narrator (voice)

Giorgio A. Tsoukalos

Self

Ariel Bar Tzadok

Self

Jonathan Young

Self

David Childress

Self

Erich von Däniken

Self

Linda Moulton Howe

Self

David Wilcock

Self

George Noory

Self

Philip Coppens

Self

Nick Pope

Self

Mike Bara

Self

Bill Birnes

Self

Hugh Newman

Self

Robert M. Schoch

Self