Cool It

Bjørn Lomborg

som Self - Director, Copenhagen Consensus Center

Hashem Akbari

som Self - Head of Heat Island Group, Berkeley Lab

Al Gore

som Self (archive footage)

James Hansen

som Self - Director, NASA Institute for Space Studies

Barack Obama

som Self (archive footage)

Barry Glassner

som Self - Sociologist, USC and Author, 'The Culture of Fear'

Richard Lindzen

som Self - Professor of Atmospheric Science, MIT

Nathan Myhrvold

som Self - Founder, Intellectual Ventures

Daniel Nocera

som Self - Professor of Energy and Chemistry, MIT

Thomas Schelling

som Self- Economist, Nobel Laureate