| Credited cast: |
 | Ben Cohen | - | Himself (True Majority) |
| Kert Davies | - | Himself |
| Brenda Ekwurzel | - | Herself - Climate Scientist |
| Paul R. Epstein | - | Himself |
| Ross Gelbspan | - | Himself (author of Boiling Point) |
| Tim Greeff | - | Himself |
| Shawnee Hoover | - | Herself (Exxpose Exxon Campaign Director) |
| Athan Manuel | - | Himself (Arctic Wilderness Campaign) |
| Paul Mayewski | - | Himself - Climate Scientist |
| Michael McCracken | - | Himself |
 | Bill McKibben | - | Himself - Author |
| Michael Oppenheimer | - | Himself - Climate Scientist |
| Rick Piltz | - | Himself |
| Jeremy Symons | - | Himself (Environmental Protection Agency) |
| Cameron Wake | - | Himself - Climate Scientist |
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