Robert Clotworthy Narrator Giorgio Tsoukalos Actor, Executive Producer 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 David Silver Executive Producer Kim Sheerin Executive Producer Max Thompson Executive Producer, Writer Susan Leventhal Executive Producer David Comtois Executive Producer Kim Egan Executive Producer Joe Lessard Executive Producer Erik Pinkston Executive Producer, Writer Chris Gattanella Writer