Barrie Pittock

饰：Self

Ólafur Ragnar Grímsson

饰：Himself

Bjørn Lomborg

饰：Himself

Bertrand Piccard

饰：Himself

Richard Quest

饰：Himself - Host

Sunita Narain

Sunita Narain

饰：Self

Michael Shellenberger

Michael Shellenberger

饰：Self,(archive footage)