Linda Cardellini starring as Velma in ""Scooby Doo 2: Monsters Unleashed"" is in the house. Plus the latest ""American Idol"" contestant voted off joins Ryan in the studio.
| Name | Type | Role | |
|---|---|---|---|
| Jason Mraz | Guest Star | ||
| Brittany Snow | Guest Star | ||
| Vanessa Lengies | Guest Star | ||
| Dwayne Johnson | Guest Star | ||
| DMX | Guest Star | ||
| Linda Cardellini | Guest Star | ||
| Matthew Rogers | Guest Star | ||
| Fefe Dobson | Guest Star | ||
| Ken Baker | Guest Star | ||
| Bob McKinnon | Director |