| Billy Bob Thornton | Dr. P |
| Jon Heder | Roger |
| Jacinda Barrett | Amanda |
| Michael Clarke Duncan | Lesher |
| Sarah Silverman | Becky |
| David Cross | Ian |
| Matt Walsh | Walsh |
| Horatio Sanz | Diego |
| Todd Louiso | Eli |
| Jon Glaser | Ernie |
| Director | Todd Phillips |
| Producer | Scott Budnick; Hal E. Chester |
| Writer | Todd Phillips; Scot Armstrong |
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