as Himself / Narrator (voice)

as Self - Psychologist, Science Journalist, Author

as himself

as Self - Former (R) Congressman, South Carolina

as Self - Prof of Physical Chemistry, Univ of Florence, Italy

as Self - General, US Army (ret.) former NATO Supreme Allied Comm

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

as Self - Director, Instit. for the Study of Energy & Our Future

as Self - Prof of Developmental Psychology, Univ of Bristol, UK

as Self - Evolutionary Anthropologist, Human Behavioral Ecologist

as Self - Author, ‘Environmental Melancholia’

as Self - Professor of Cognitive Psychology, Univ of Bristol, UK

as Self - Environmental Activist, Professor of American Studies