Nelly and her dog London are about to spend autumn break with her uncle Hannibal. Soon she noticed that he doesn't live a quiet life. Her uncle is a Monster agent. Nelly gets dragged in to an adventure filled with ghosts, vampires and werewolves.
| Actor | Role |
|---|---|
 Matilda GrossNelly Rapp | Nelly Rapp |
 Johan RheborgHannibal | Hannibal |
 Marianne MörckLena-Sleva | Lena-Sleva |
 Björn GustafssonVincent | Vincent |
 Lily WahlsteenRoberta | Roberta |
| EEmma BrooméVanja Varulv | Vanja Varulv |
 Amy DeasismontSpöket Albertina | Spöket Albertina |
 David WibergLukas Vampyr | Lukas Vampyr |
 Elisabeth WernesjöPräst | Präst |
 Stephen RappaportVampyr i bur | Vampyr i bur |
 Peter LorentzonMilitär | Militär |
 Leif EdlundKund i korvkiosk | Kund i korvkiosk |
| JJens OhlinLennart | Lennart |
 Ove WolfKorvgubbe | Korvgubbe |
| FFredrik DahlHantverkare | Hantverkare |
| MMargareta OlssonProfessor gammal | Professor gammal |
| HHannah Alem-DavidsonBrevbärare | Brevbärare |
| EEbba FichteliusMonster | Monster |
| RRebecca KaneldEva | Eva |
 Lotta NilssonNot listed | Not listed |