The arrival of a new girl causes a stir in classroom social structure.
| Actor | Role |
|---|---|
| KKatharina CohenMia | Mia |
| HHjalmar EkströmLudde | Ludde |
 Sten ElfströmRektorn | Rektorn |
 Jacob ErickssonOlle | Olle |
 Fanny KlefeltLinda | Linda |
| NNathalie FredholmHilda | Hilda |
 Charlie GustafssonViktor | Viktor |
 Gerd HegnellMat tanten | Mat tanten |
 Happy JankellMimi | Mimi |
| FFredrik JohanssonMagnus | Magnus |
 Jonas KrusePappan | Pappan |
 Joakim LangLeo | Leo |
| SSara LinderholmSelma | Selma |
| AAllis LindqvistMira | Mira |
 Julia SporreNot listed | Not listed |
| HHjalmar EkströmNot listed | Not listed |
 Tina Pour DavoyNot listed | Not listed |
| GGustaf MardeliusNot listed | Not listed |
 Göran RagnerstamNot listed | Not listed |