Robert Clotworthy Narrator Giorgio Tsoukalos Actor Erich von Däniken Actor David Childress Actor William Henry Actor Linda Moulton Howe Actor David Wilcock Actor Jonathan Young Actor Jason Martell Actor Kevin Burns Executive Producer, Writer Kim Sheerin Executive Producer Scott Hartford Executive Producer David Silver Executive Producer David Silver Executive Producer Max Thompson Executive Producer, Writer Susan Leventhal Executive Producer Brian Garson Writer Frankie Glass Writer Eric Murphy Writer Kristina Djokic Writer Rob O'Brien Writer Andrew Nock Writer Nadia Nikolic Bowen Writer Evie Shapiro Writer Joe Escalante Writer Lennox Wiseley Writer Katie Raines Writer