A comedian replies to the "Super Size Me" crowd by losing weight on a fast-food diet while demonstrating that almost everything you think you know about the obesity "epidemic" and healthy eating is wrong.
| Actor | Role |
|---|---|
 Tom NaughtonSelf / CSPI Guy / Customer | Self / CSPI Guy / Customer |
 Chareva NaughtonSelf / Veggie Girl / Counter Clerk | Self / Veggie Girl / Counter Clerk |
 Morgan SpurlockSelf / Documentary Film Maker / Director, Supersize Me | Self / Documentary Film Maker / Director, Supersize Me |
| MMichael EadesSelf | Self |
 Gary TaubesSelf | Self |
| PPeter PaddonGuy who sees himself on the news | Guy who sees himself on the news |
| SSally Fallon MorellSelf / Weston A. Price Foundation | Self / Weston A. Price Foundation |
| MMary EnigSelf / Weston A. Price Foundation | Self / Weston A. Price Foundation |
| MMary Dan EadesSelf | Self |
| AAl SearsSelf / Wellness Research Foundation | Self / Wellness Research Foundation |
| EEric OliverSelf / University of Chicago | Self / University of Chicago |
| JJacob SullumSelf / Reason Magazine | Self / Reason Magazine |
| EEric FeitSelf | Self |