Molly and Scratch must find a way to stop Jinx from taking over the human world, but they need Ruben's help.
| Name | Type | Role | |
|---|---|---|---|
| Sammie Crowley | Writer | ||
| Kari Wahlgren | Guest Star | Grimbella (voice) | |
| Liza Koshy | Guest Star | Jinx (voice) | |
| Grey DeLisle | Guest Star | Lucretia (voice) | |
| Lara Jill Miller | Guest Star | Libby Stein-Torres (voice) | |
| Greg Baldwin | Guest Star | Bartholomew (voice) | |
| Vincent Rodriguez III | Guest Star | Jeff (voice) | |
| Alan Lee | Guest Star | Ollie Chen (voice) | |
| John DiMaggio | Guest Star | Sir Alister (voice) | |
| Eric Edelstein | Guest Star | Geoff (voice) | |
| Leonard Wu | Guest Star | Ruben Chen (voice) | |
| Sue Ann Pien | Guest Star | June Chen (voice) | |
| Stephanie Sheh | Guest Star | Esther Chen (voice) | |
| Sam King | Director | ||
| Johnny Castuciano | Director | ||
| Michaela Dietz | Actor | Darryl McGee (voice) | |
| Dana Snyder | Actor | Scratch (voice) | |
| Jordan Klepper | Actor | Pete McGee (voice) | |
| Ashly Burch | Actor | Molly McGee (voice) | |
| Sumalee Montano | Actor | Sharon McGee (voice) |