| Person | Type | Job | Role(s) |
|---|---|---|---|
 Jeff Bridges | Crew | Production | Producer, Script |
 Ken S. Polk | Crew | Sound | Sound Designer, Sound Mixer, Supervising Sound Editor |
Keefus Ciancia | Crew | Sound | Original Music Composer |
 Timothy Morton | Crew | Crew | Script |
Andy Hurtado | Crew | Sound | Sound Effects Editor |
Susan Kucera | Crew | Directing | Director, Director of Photography, Editor, Co-Producer, Producer, Script |
Daniel Goleman | Crew | Crew | Script |
Bob Holroyd | Crew | Crew | Additional Music |
Jim Swift | Crew | Crew | Script, Producer, Executive Producer |
Dr. Nathan Hagens | Crew | Crew | Script |
Jeff Bridges | Cast | Actor | Self / Narrator (voice) |
Leonard Mlodinow | Cast | Actor | Self - Physicist |
Mark Plotkin | Cast | Self - Ethnobotanist, Amazon Conservation Team | |
Timothy Morton | Cast | Actor | Self - Philosopher & Author, 'Humankind' |
 Wesley Clark | Cast | Actor | Self - General, US Army (ret.); Former NATO Supreme Allied Cmdr. |
Piers Sellers | Cast | Self - NASA Astronaut & Research Scientist | |
 Oren R. Lyons | Cast | Actor | Self - Dist Prof of American Studies, Onondaga Council of Chiefs |
 Bob Inglis | Cast | Self - Former Congressman (R), South Carolina | |
Daniel Goleman | Cast | Self - Psychologist, Science Journalist, Author | |
 Stephan Lewandowsky | Cast | Actor | Self - Professor of Cognitive Psychology, University of Bristol |
Dr. Nathan Hagens | Cast | Actor | Self - Director, Instit. for the Study of Energy & Our Future |
 Renée Lertzman | Cast | Actress | Self - Author, ‘Environmental Melancholia’ |
Bruce Hood | Cast | Actor | Self - Prof of Developmental Psychology, Univ of Bristol, UK |
Amy Jacobson | Cast | Actress | Self - Evolutionary Anthropologist, Human Behavioral Ecologist |
 Ruth Gates | Cast | Self - Marine Biologist; Dir. Hawaii Institute of Marine Biology | |
Ugo Bardi | Cast | Self - Prof of Physical Chemistry, Univ of Florence, Italy | |
| Person | Type | Job | Role(s) |
