Cast 13

1. Bjørn Lomborg

   Self - Director, Copenhagen Consensus Center

2. Hashem Akbari

   Self - Head of Heat Island Group, Berkeley Lab

3. 

   Al Gore

   Self (archive footage)

4. 

   James Hansen

   Self - Director, NASA Institute for Space Studies

5. 

   Barack Obama

   Self (archive footage)

6. Barry Glassner

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

7. 

   Richard Lindzen

   Self - Professor of Atmospheric Science, MIT

8. Nathan Myhrvold

   Self - Founder, Intellectual Ventures

9. Daniel Nocera

   Self - Professor of Energy and Chemistry, MIT

10. Thomas Schelling

    Self- Economist, Nobel Laureate

11. Jonathan Trent

    Self - OMEGA Project Scientist, NASA Ames Research Center

12. 

    Joe Barton

    Self (archive footage)

13. 

    John Dingell

    Self (archive footage)

Crew 2