Eleven-year-old outsider Stephan arrives at Castle Schreckenstein, an all-boys boarding school, where he learns about life within a community and soon finds himself being part of a funny 'pranks-competition' the boys are currently fighting against the neighboring girls of Castle Rosenfels. When the girls have no choice but to move to Schreckenstein after a failed prank, life at school is suddenly nothing like it used to be...
| Actor | Role |
|---|---|
 Jana PallaskeMelanie | Melanie |
 Alexander BeyerJean | Jean |
 Sophie RoisDirektorin Horn | Direktorin Horn |
 Henning BaumRex | Rex |
 Harald SchmidtGraf Schreckenstein | Graf Schreckenstein |
 Matthias LierSebastian | Sebastian |
| MMarget FlachBedienung Eisdiele | Bedienung Eisdiele |
| BBiggi GrasLehrerin Gymnasium | Lehrerin Gymnasium |
 Jasmin Barbara MairhoferFrau Böcklmeier | Frau Böcklmeier |
| NNina GocevaBea | Bea |
 Mina-Giselle RüfferInga | Inga |
| PPaula DonathAlina | Alina |
 Maurizio MagnoStephan | Stephan |
| CChieloka JairusDampfwalze | Dampfwalze |
| EEloi ChristStrehlau | Strehlau |
| BBenedict GlöckleOttokar | Ottokar |
| CCaspar KryzschMücke | Mücke |
 Massimo SacilottoKoch Heini | Koch Heini |