Clumsy peculiar pupil Alfons Zitterbacke dreams of being an astronaut and wreaks havoc anywhere he goes but against all odds wants to proof everyone who is teasing him wrong especially his father who wants him to be more of a 'normal' kid.
| Actor | Role |
|---|---|
 Alexandra Maria LaraLouise Zitterbacke | Louise Zitterbacke |
 Devid StriesowPaul Zitterbacke | Paul Zitterbacke |
 Tilman DöblerAlfons Zitterbacke | Alfons Zitterbacke |
 Leopold Ferdinand SchillBenni | Benni |
 Lisa MoellEmilia | Emilia |
 Ron Antony RenzenbrinkNico | Nico |
 Katharina ThalbachDirector Dr. Girzy | Director Dr. Girzy |
 Wolfgang StumphGrandpa Klausner | Grandpa Klausner |
 Bürger Lars DietrichSergej Krumov | Sergej Krumov |
 Olaf SchubertChemistry teacher | Chemistry teacher |
 Thorsten MertenMr. Flickendorf | Mr. Flickendorf |
 Stephanie StumphMrs. Diezler | Mrs. Diezler |
 Louis HeldPE teacher Greife | PE teacher Greife |
 Alexander GerstAstro Alex | Astro Alex |
| JJonas HeinrichBodo | Bodo |
| AArved KuhnhardtFrodo | Frodo |
| EElias Richard SiegmannKarlchen | Karlchen |
| LLaila MeineckeGoth Girl | Goth Girl |
| RRosa MeineckeGoth Girl | Goth Girl |
 Tobi KrellNot listed | Not listed |
| HHelmut RossmannBratwurst seller | Bratwurst seller |
| MMoritz HoyerNot listed | Not listed |
 Axel RanischNot listed | Not listed |