Ricardo Agurcia

饰：Self - Archaeologist, Copan Association

Jamie Effros

饰：Narrator

Stephen Lekson

饰：Self - Archaeologist, University of Colorado, Boulder

Stuart Woolf

饰：Self - President, Woolf Farming Company

贾雷德·戴蒙德

Jared Diamond

饰：Himself - Author of Collapse: How Societies Choose to Fail or Su

James Howard Kunstler

James Howard Kunstler

饰：Himself - Author of The Long Emergency

Joseph Tainter

Joseph Tainter

饰：Himself - Author of The Collapse of Complex Societies

Malachi Tsoodle-Nelson

饰：Pilrgim