Calificación
Reparto

Clive Hamilton
Self

Nathan Myhrvold
Self

David Keith
Self

Matthew Watson
Self

Matthew Watson
Self - Volcanologist

David Keith
Self - Physicist

Clive Hamilton
Self - Ethics researcher

Nathan Myhrvold
Self - Researcher

Connie Hedegaard
Self

Lee Lane
Self - Political Scientist

Stewart M. Patrick
Self - Political Scientist

Régis Briday
Self - Philosopher

Kristine C. Harper
Self - Science Historian

Ken Caldeira
Self - Climate Researcher

Oliver Morton
Self - Science Reporter

Edward Teller
Self - Nuclear Physicist