In the tale filled with pirates, vampires, werewolves and sirens, Malicia, Keith and the Clan Rats are joined by a furless cat named Admiral Katz as they embark on a perilous quest to find the legendary Waters of Life.
| Actor | Role |
|---|---|
 Hugh LaurieMaurice (voice) | Maurice (voice) |
 Emilia ClarkeMalicia (voice) | Malicia (voice) |
 Himesh PatelKeith (voice) | Keith (voice) |
 Gemma ArtertonPeaches (voice) | Peaches (voice) |
 David TennantDangerous Beans (voice) | Dangerous Beans (voice) |
 Ariyon BakareDarktan (voice) | Darktan (voice) |
 Adjoa AndohAdmiral Katz (voice) | Admiral Katz (voice) |
 Peter SerafinowiczDeath (voice) | Death (voice) |
 Simon CallowWerewolf (voice) | Werewolf (voice) |