Hashem Akbari
饰：Self - Head of Heat Island Group, Berkeley Lab
Myron Ebell
饰：Self - Director of Energy and Global Warming Policy, CEI
Kerry Emanuel
饰：Self - Professor of Atmospheric Science, MIT
Bjørn Lomborg
饰：Himself - Director, Copenhagen Consensus Center
小艾德·博格里
Ed Begley Jr.
饰：Himself
拉里·戴维
Larry David
饰：Himself
莱昂纳多·迪卡普里奥
Leonardo DiCaprio
饰：Himself
John Dingell
饰：Himself - Representative, Michigan
大卫·杜楚尼
David Duchovny
饰：Himself
John Boehner
饰：Self - Representative, Ohio,(archive footage)
Barry Glassner
饰：Self - Sociologist, USC and Author, 'The Culture of Fear'
James Hansen
James Hansen
饰：Self - Director, NASA Institute for Space Studies
Jay Inslee
Jay Inslee
饰：Self - Representative, Washington,(archive footage)
约翰·克里
John Kerry
饰：Self - Senator, Massachusette,(archive footage)
Christopher Landsea
饰：Self - Science and Operations Officer, National Hurricane Center
大卫·莱特曼
David Michael Letterman
饰：Self,(archive footage)
比尔·马赫
Bill Maher
饰：Self,(archive footage)
Rajendra Pachauri
Rajendra Pachauri
饰：Self - Chair of Intergovernmental Panel on Climate Change (IPCC)
Paul Reiter
饰：Self - Professor of Medical Entomology, Pasteur Institute
杰弗里·塔伯
Jeffrey Tambor
饰：Self,(archive footage)
Jonathan Trent
饰：Self - OMEGA Project Scientist, NASA Ames Research Center
乔·巴顿
Joe Barton
饰：Self - Representative, Texas,(archive footage)
Jagdish Bhagwati
Jagdish Bhagwati
饰：Self - Professor of Economics, Columbia University
Freeman Dyson
饰：Self - Professor Emeritus, Institute for Advanced Study, Princeton
纽特·金里奇
Newt Gingrich
饰：Self,(archive footage)
艾伯特·戈尔
Al Gore
饰：Self,(archive footage)
丹尼斯·库钦奇
Dennis Kucinich
饰：Self
Richard Lindzen
饰：Self - Professor of Atmospheric Science, MIT
Ed Markey
饰：Self - Representative, Massachusettes,(archive footage) (as Edward Markey)
拉尔夫·纳德
Ralph Nader
饰：Self,(archive footage)
巴拉克·奥巴马
Barack Obama
饰：Self,(archive footage)
Richard Tol
饰：Self - Professor of Climate Change Economics, Vrije University
Ivor Van Heerden
Ivor Van Heerden
饰：Self - Founder, Hurricane Center, LSU
Henry Waxman
Henry Waxman
饰：Self - Representative, California,(archive footage)