크레딧 출연 Gary Taubes Self - Investigative Science Journalist / Author Nina Teicholz Self - Investigative Science Journalist / Author Ancel Keys Self (Archival footage) - Physiologist Tim Noakes Self - Scientist / Author / Professor Emerita Mark Hyman Self - Narrator / Nutritionist / Functional Medicine Physician Bret Scher Self - Cardiologist Sarah Hallberg Self - Obesity Specialist Zoe Harcombe Self - Obesity Researcher Salim Yusuf Self - Cardiologist Robert Lustig Self - Pediatric Endocrinologist Jason Fung Self - Diabetes Specialist 빌 마허 Self - Comedian (archive footage) Eric Westman Self - Obesity Specialist Jonny Bowden Self - Certified Nutritionist 드와이트 아이젠하워 Self - President (archive footage) Alyssa Gallagher Self - Certified Diabetes Educator Brian Gaudette Self - US Army Pilot Brian Lenzkes Self - Internal Medicine Physician Doug Reynolds Self - Founder and CEO, LowCarbUSA Dave Asprey Self - Founder, Bulletproof 스텝 Tim Kupsick Editing Amanda Atkins Production Bill Krumm Editing Tom Hadzor Production Jennifer Isenhart Writing Jennifer Isenhart Directing