Mo Gilligan hosts as Grey’s Anatomy's Camilla Luddington and Chris Carmack take on Pussycat Doll Kimberly Wyatt and comedian Gina Yashere as they face some supersized musical challenges.
| Name | Type | Role | |
|---|---|---|---|
| Mo Gilligan | Host | ||
| Camilla Luddington | Guest Star | ||
| Gina Yashere | Guest Star | ||
| Chris Carmack | Guest Star | ||
| Kimberly Wyatt | Guest Star | ||
| Glenn Weiss | Director |