cast
- 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
- Michael MacCraken Self - Climate Researcher
- Paul J. Crutzen Self - Atmosphere Chemist
- Lowell Wood Self - Astro Physicist
-
Marianne Denicourt
Narrator