Vinnie Tortorich
Self / Narrator / Producer
Eric Westman
Self / Professor, Duke Univ. / Author / Internal Medicine Dr.
Gary Taubes
Self / Investigative Journalist / Author / NuSI
Nina Teicholz
Self / Science Journalist / Author / Nutrition Coalition
Bret Scher
Self / Cardiologist
Andreas Eenfeldt
Self / Medical Doctor
Drew Pinsky
Self / Internist / Addicitionologist
Dr. Dean Ornish
Self (Archival Footage)
Jeffry Gerber
Self / Family Physician
Georgia Ede
Self / Psychiatrist