Aseem Malhotra

Self / Consultant Cardiologist

Donal O'Neill

Self / Producer, Cereal Killers

Stefano Pisani

Self / Mayor of Pollica Italy

Antonio Morinelli

Self / Proprietor, Suscettibile Restaurant, Pioppi

Susan Bessie Haslam

Self / English Teacher, Acciaroli

Ancel Keys

Self (archival footage)

Stephen Phinney

Self / Author, The Art & Science of Low Carb Performance

Ida Budetta

Self / Proprietor, San Giovanni Winery

André Oelofse

Self / Author, Calm in the Storm

Laurie Rauch

Self / Neurobiologist of Exercise Science / Author

Louise Knoop O'Neill

Self / Prime Movement & Lifestyle Coach

Grandt Mason

Self / Proprietor, Bearthfoot Shoes

Tim Noakes

Self / Author, Lore of Running

Neville Wellington

Self / MD

Andy Fenner

Self / Proprietor, Frankie Fenner Meats

Julie Carter

Self / Proprietor, Ocean Jewel's Fish

Richard Bosman

Self / Food Entrepreneur

Pierre Winshaw

Self / Grass Farmer, Usana Farming Estate

Danie Carinus

Self / Grass Farmer, Usana Farming Estate

Luke Williams

Self / Proprietor, Culture Club Cheese

Anthony Gird

Self / Proprietor, Honest Chocolate

Bill Gifford

Self / Author, Spring Chicken