Daniel B. Gold
Narrator (voice)
John 'Bish' Neuhauser
Self
Michael Shellenberger
Self
Tony Blair
Self (archive footage)
Tom Brokaw
Self (archive footage)
George W. Bush
Self (archive footage)
Leonardo DiCaprio
Self (archive footage)
Al Gore
Self (archive footage)
Sean Hannity
Self (archive footage)
James Hansen
Self (archive footage)
James Inhofe
Self (archive footage) (as Sen. James Inhofe)
Darrell Issa
Self (archive footage)
Bill Maher
Self (archive footage)
Dan Rather
Self (archive footage)
Oprah Winfrey
Self (archive footage)
