America Before Columbus Online

Nathan English - Self - Geochemist, University of Arizona, Victor Garber - Self - Narrator (voice) , Andrew C. Isenberg - Self - Historian, Temple University (as Prof. Andrew Isenberg) , K.J. Linhein - Hernando De Soto, Hans Mittermüller - Self - Narrator (voice) , Joachim Radkau - Self - Historian, University of Bielefeld (as Prof. Joachim Radkau) , Callum Roberts - Self - Marine Conservation Biologist, University of York (as Prof. Callum Roberts) , Nicholas E. Schultz - Railroad Worker