The Doubt Machine: Inside the Koch Brothers' War on Climate Science

Emma Thompson

Narrator (voice)

Charlie Cray

Self - Senior Researcher, Greenpeace USA (as Charlie Gray)

Robert Maguire

Self - Investigator, Center for Responsive Politics

Michael E. Mann

Self - Climatologist, Penn State

Jane Mayer

Self - Journalist (as Jane Meyer)

Bruce Livesey

Director, Writer