Aseem Malhotra

Character: Self - Consultant Cardiologist

Donal O'Neill

Character: Self - Producer, Cereal Killers

Stefano Pisani

Character: Self - Mayor of Pollica Italy

Antonio Morinelli

Character: Self - Proprietor, Suscettibile Restaurant, Pioppi

Susan Bessie Haslam

Character: Self - English Teacher, Acciaroli

Ancel Keys

Character: Self (archive footage)

Stephen Phinney

Character: Self - Author, The Art & Science of Low Carb Performance

Ida Budetta

Character: Self - Proprietor, San Giovanni Winery

André Oelofse

Character: Self - Author, Calm in the Storm

Laurie Rauch

Character: Self - Neurobiologist of Exercise Science / Author

Louise Knoop O'Neill

Character: Self - Prime Movement & Lifestyle Coach

Grandt Mason

Character: Self - Proprietor, Bearthfoot Shoes

Tim Noakes

Character: Self - Author, Lore of Running

Neville Wellington

Character: Self - MD

Andy Fenner

Character: Self - Proprietor, Frankie Fenner Meats

Julie Carter

Character: Self - Proprietor, Ocean Jewel's Fish

Richard Bosman

Character: Self - Food Entrepreneur

Pierre Winshaw

Character: Self - Grass Farmer, Usana Farming Estate

Danie Carinus

Character: Self - Grass Farmer, Usana Farming Estate

Luke Williams

Character: Self - Proprietor, Culture Club Cheese

Anthony Gird

Character: Self - Proprietor, Honest Chocolate

Bill Gifford

Character: Self - Author, Spring Chicken