크레딧 출연 Jim Abrahams Self - Father / Founder, Charlie Foundation / Filmmaker Vinnie Tortorich Self - Narrator / Producer / Trainer / Author Bret Scher Self - Cardiologist Gary Taubes Self - Journalist / Author Dave Feldman Self - Software Engineer Eric Westman Self - Internal Medicine Doctor Andreas Eenfeldt Self - Physician Drew Pinsky Self - Physician Georgia Ede Self - Psychiatrist Nina Teicholz Self - Journalist Vilhjalmur Stefansson Self - Explorer (archive footage) Ivor Cummins Self - Biochemical Engineer Ancel Keys Self (archive footage) Jeffry Gerber Self - Physician George McGovern Self - Politician (archive footage) Gary Fetke Self - Orthopaedic Surgeon 스텝 Vinnie Tortorich Production Serena Scott Thomas Production John Honoré Camera Cody Peterson Sound Matt Kendrick Sound Peter Curtis Pardini Sound Peter Curtis Pardini Directing Peter Curtis Pardini Editing Peter Curtis Pardini Production