C.J. Hunt

Self - Narrator

Leslie Aiello

Self - President, Wenner-Gren Foundation for Anth. Research

Loren Cordain

Self - Author - Professor of Health & Exercise Science, CO St. U

Michael Eades

Self - Author, Protein Power

Boyd Eaton

Self - Author, Paleolithic Prescription & Professor, Emory U.

Joel Fuhrman

Self - Center for Nutritional Medicine

David J. Getoff

Self - VP Price-Pottenger Nutrition Foundation

Alan Goldhamer

Self - President, Int'l Association of Hygienic Physicians