Cast
Self - Nutritional Biochemist
Self (poet, writer and musician)
Herself / Self - Primatologist
Herself / Self - Physicist
Harold Brown (voice) / Harold Brown
Himself / Self - Animal Behaviorist
Dr. Caldwell B. Esselstyn jr.
Self - Nutritionist and Biochemist
Self (physician and nutrition expert)
Himself / Self - Former Cattle and Dairy Farmer
Self - Former Veterinary Director
Self (former dairy farmer)
Self (director of the Department of Safety and Quality of Meat)
Self (agricultural expert for Greenpeace)
Prof. Dr. T. Colin Campbell
Narrator (in english version)
Self - Physician and Psychotherapist
