| Person | Type | Job | Role(s) |
|---|---|---|---|
 Serena Scott Thomas | Crew | Production | Producer |
 Cody Peterson | Crew | Sound | Sound |
John Honoré | Crew | Crew | Cinematography |
Matt Kendrick | Crew | Sound | Sound |
 Vinnie Tortorich | Crew | Directing | Director, Producer |
Nick Pierce | Crew | Editing | Editor |
 Gary Taubes | Cast | Actor | Self / Investigative Journalist / Author / NuSI |
 Drew Pinsky | Cast | Actor | Self / Internist / Addicitionologist |
Dr. Dean Ornish | Cast | Self (Archival Footage) | |
Vinnie Tortorich | Cast | Self / Narrator / Producer | |
 Nina Teicholz | Cast | Actress | Self / Science Journalist / Author / Nutrition Coalition |
 Andreas Eenfeldt | Cast | Actor | Self / Medical Doctor |
 Georgia Ede | Cast | Self / Psychiatrist | |
 Jeffry Gerber | Cast | Actor | Self / Family Physician |
 Eric Westman | Cast | Actor | Self / Professor, Duke Univ. / Author / Internal Medicine Dr. |
 Bret Scher | Cast | Actor | Self / Cardiologist |
| Person | Type | Job | Role(s) |
