O Santo Graal nos EUA
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James LurieNarrator (voz)- Alice KehoeHerself - Anthropologist
- Anatoly LibermanHimself - Philologist, University of Minnesota
- Darwin OhmanHimself - Grandson of Olof Ohman
- Scott WolterHimself - Forensic Geologist & Author, The Hooked X
- Tom TrowHimself - Past Archaeologist, Minnesota Historical Society
- Florian LedermannHimself - Past President, Runestone Museum
- James ScherzHimself - Prehistoric Cartographer
- Simon BrightonHimself - Author, In Search of the Knights Templar
- Erling HaagensenHimself - Author, The Templar's Secret Island
- Steven SoraHimself - Author, The Lost Colony of the Templars
- Kelly KrauseHerself - Archaeologist
- Ashley CowieHimself - Author, The Rosslyn Templar
- Evan PritchardHimself - Director, Center for Algonquin Culture
- Niven SinclairHimself - Clan Sinclair Patriarch
- Carmen LeggeHerself - President, New Ross Historical Society
- David BrodyHimself - Chair, Westford Knight Committee
- Virginia KimballHerself - Westford Knight Historian
- Bruce BourqueHimself - Archaeologist, Maine State Museum
- Roslyn StrongHerself - New England Antiquities Research Association
Richard LynchHimself - New England Antiquities Research Association- William PenhallowHimself - Astronomer & Physicist
- Suzanne CarlsonHerself - Architect & President of NEARA
- Akram EliasHimself - Freemasonic Grand Master