Narrator

Jeff Bridges

Piers Sellers

Piers Sellers

General Wesley Clark

General Wesley Clark

Bruce Hood

Bruce Hood

Leonard Mlodinow

Leonard Mlodinow

Daniel Goleman

Daniel Goleman

Self - Professor of Biogeochemistry

Rich Pancost

Self - Marine Biologist; Dir. Hawaii Institute of Marine Biology

Dr. Ruth Gates

Self - General

Wesley Clark

Self - Philosopher & Author

Timothy Morton

Self - Dist Prof of American Studies

Oren R. Lyons

Self - Evolutionary Anthropologist

Dr. Amy Jacobson

Self - Prof of Developmental Psychology

Dr. Bruce Hood

Self - Professor of Cognitive Psychology

Stephan Lewandowsky

Self - Ethnobotanist

Mark Plotkin

Self - Prof of Physical Chemistry

Dr. Ugo Bardi

Self - Journalist; Author

Paul Roberts

Self - Author

Dr. Renee Lertzman

Self - Professor of Anthropology

Joseph Tainter

Self - Director

Nate Hagens

Self - Former Congressman (R)

Bob Inglis

Self - Cognitive Neuroscientist

Ian Robertson

Director

Susan Kucera