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Ancient Aliens • Season 20

Robert ClotworthyNarrator (voice)
Giorgio A. TsoukalosSelf
Ariel Bar TzadokSelf
Jonathan YoungSelf
David ChildressSelf
Erich von DänikenSelf
Linda Moulton HoweSelf
David WilcockSelf
George NoorySelf
Philip CoppensSelf
Nick PopeSelf
Mike BaraSelf
Bill BirnesSelf
Hugh NewmanSelf
Robert M. SchochSelf
Nick RedfernSelf
Kevin BurnsExecutive Producer

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