FAT: A Documentary 2 is the sequel to the international sensation that delves deeper into the lies and myths surrounding the age old question: "What should I be eating?"
| Actor | Role |
|---|---|
 Vinnie TortorichSelf / Narrator / Producer | Self / Narrator / Producer |
 Eric WestmanSelf / Professor, Duke Univ. / Author / Internal Medicine Dr. | Self / Professor, Duke Univ. / Author / Internal Medicine Dr. |
 Gary TaubesSelf / Investigative Journalist / Author / NuSI | Self / Investigative Journalist / Author / NuSI |
| NNina TeicholzSelf / Science Journalist / Author / Nutrition Coalition | Self / Science Journalist / Author / Nutrition Coalition |
 Bret ScherSelf / Cardiologist | Self / Cardiologist |
| AAndreas EenfeldtSelf / Medical Doctor | Self / Medical Doctor |
 Drew PinskySelf / Internist / Addicitionologist | Self / Internist / Addicitionologist |
| DDr. Dean OrnishSelf (Archival Footage) | Self (Archival Footage) |
 Jeffry GerberSelf / Family Physician | Self / Family Physician |
 Georgia EdeSelf / Psychiatrist | Self / Psychiatrist |