Svein thinks his grandma's soul is in the process of being swallowed by mysterious aliens, and he mobilizes both his friends and his rat Halvorsen in an attempt to save her.
| Actor | Role |
|---|---|
| TThomas Saraby VatleSvein | Svein |
| LLuis Engebrigtsen ByeDan | Dan |
| CCeline Louise Dyran SmithMelissa | Melissa |
| RRut TellefsenGrandma | Grandma |
 Gard B. EidsvoldTrygve | Trygve |
 Liv Bernhoft OsaDora | Dora |
| MMarius NjølstadRonny | Ronny |
 Ferdinand Falsen HiisBørre | Børre |
| IInger Johanne RavnØyvor | Øyvor |
| HHelge HansenTreige Trygg | Treige Trygg |
| VVera JenkinsGerd | Gerd |
| FFinn HoenvollDeaf Man | Deaf Man |
| RRandi HellandTelevision Reporter | Television Reporter |
 Thor Michael AamodtUFO Man | UFO Man |
| GGustav Adolf HeghChocolate Man | Chocolate Man |
 Miriam SognMother | Mother |