Igralci in ekipa
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Jane GoodallHerself - Primatologist - Kambale MusavuliHimself - Friends of the Congo
- Marina SilvaHerself - Former Minister of the Environment, Brazil
- Robert WrightHimself - Author, Nonzero: The Logic of Human Destiny
- Mark LevineHimself - Group Leader, China Energy Group
- Ronald WrightHimself - Author, A Short History of Progress
- Margaret AtwoodLastna vloga
- Colin BeavanLastna vloga
- Jane GoodallLastna vloga
- Stephen HawkingLastna vloga
- Michael HudsonLastna vloga
- Simon JohnsonLastna vloga
- Victor GauLastna vloga
- Mark LevineLastna vloga
- Gary MarcusLastna vloga
- Kambale MusavuliLastna vloga
- Daniel PovinelliLastna vloga
- Marina SilvaLastna vloga
- Vaclav SmilLastna vloga
- David SuzukiLastna vloga
- Ronald WrightLastna vloga
- Jim ThomasLastna vloga
- Martin ScorseseProducent
- Daniel Day-LewisProducent
- Denise RobertProducent
- Daniel LouisProducent
- Martin ScorseseIzvršni producent