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