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