The Wishbone family are far from happy. In an attempt to reconnect as a family, they plan a fun night out. However, the plan backfires when they are cursed and all turned into Monsters.
| Actor | Role |
|---|---|
 Emily WatsonEmma Wishbone (voice) | Emma Wishbone (voice) |
 Nick FrostFrank Wishbone (voice) | Frank Wishbone (voice) |
 Jessica Brown FindlayFay Wishbone (voice) | Fay Wishbone (voice) |
 Ethan RouseMax Wishbone (voice) | Max Wishbone (voice) |
 Jason IsaacsDracula (voice) | Dracula (voice) |
 Catherine TateBaba Yaga (voice) | Baba Yaga (voice) |
 Ewan BaileyRenfield (voice) | Renfield (voice) |
 Celia ImrieCheyenne (voice) | Cheyenne (voice) |
 Jessica McDonaldSheila (voice) | Sheila (voice) |
 Isaac RouseJaydon (voice) | Jaydon (voice) |
| BBettina KenneyAdditional Voices (voice) | Additional Voices (voice) |
 Daniel Ben ZenouImhotep (voice) | Imhotep (voice) |
 Emma TateHead Model / Additional Female voicees (voice) | Head Model / Additional Female voicees (voice) |