Estranged rat friends are forced back together on a trip into hostile feline territory.
| Name | Type | Role | |
|---|---|---|---|
| Demi Moore | Guest Star | General | |
| Mel Rodriguez | Guest Star | Lieutenant | |
| Kate Berlant | Guest Star | Sapphire | |
| Tom Noonan | Actor | Phil's Dad (voice) | |
| Michael Sheen | Actor | Trotts (voice) | |
| Lauren Lapkus | Actor | Jacob (voice) | |
| Lucy Liu | Actor | Yumi (voice) | |
| Bob Balaban | Actor | Bob Balaban (voice) | |
| Jon Gabrus | Actor | McManus (voice) | |
| Randall Park | Actor | Nikolai (voice) | |
| Spencer Rothbell | Actor | Cotton Candy Vendor (voice) |