| Credited cast: | |||
| Peter Dinklage | ... | ||
| Summer Glau | ... | ||
| Ryan Kwanten | ... | ||
| Steve Zahn | ... | ||
| Margarita Levieva | ... | ||
| Jimmi Simpson | ... | ||
| Joshua Malina | ... | ||
| W. Earl Brown | ... | ||
| Danny Pudi | ... | ||
| Michael Gladis | ... | ||
| Tom Hopper | ... | ||
| Douglas Tait | ... | ||
| Basil Harris | ... | ||
| Larry Zerner | ... | ||
| Sean Cook | ... | ||
Live-action role players conjure up a demon from Hell by mistake and they must deal with the consequences.