If twelve-year-old Karl had been able to choose who he fell in love with, it would not have been the much taller Lea from his class. Now he doesn't have much time to fnd out whether Lea can reciprocate his feelings. After the summer holidays, she will change schools.
| Actor | Role |
|---|---|
| JJonathan KöhnKarl Seidel | Karl Seidel |
| DDarius PascuTom Seidel | Tom Seidel |
| CCheyenne Aaliyah RothLea | Lea |
| AAnna BahnersKlara | Klara |
| EElijas A.Jacob | Jacob |
| TTamino G.Max | Max |
| MMalvina HoffmannLina | Lina |
| NNiclas MeimbergHannes | Hannes |
 Theresa ScholzeFrau Bender | Frau Bender |
 Markus FriedmannHerr Mattis | Herr Mattis |
 Juliane PempelfortMarta Seidel | Marta Seidel |
 Petra KalkutschkeTante Mechthild | Tante Mechthild |
 Thomas KautenburgerSchuster Maiwald | Schuster Maiwald |
 Renate KohnRegine | Regine |
| DDustin MeyerDustin | Dustin |
 Karen DahmenMilena | Milena |
| EErdal GürcüFiras | Firas |
| VValerie HöhnNot listed | Not listed |