The title of the film, set in Luxembourg in 1942, during the Nazi occupation, amalgamates the words Schacko (helmet) and chapeau claque (opera hat). The village, in which it is set, has not yet been feeling the effects of the war at this point.
| Actor | Role |
|---|---|
 André JungPapp | Papp |
| MMyriam MullerNell | Nell |
| CClaude WagnerCrëscht | Crëscht |
| MMichèle CleesMamm | Mamm |
| PPaul GreischBop | Bop |
| JJosiane PeifferTata Zëss | Tata Zëss |
| SShirin FabeckJhuliett | Jhuliett |
| UUli EichenbergerMonni Pit | Monni Pit |
 Steve KarierNic | Nic |
| AAlain HoffmannHeng | Heng |
| GGasty GenglerRaym | Raym |
| MMike LacourGust | Gust |
 Christian KmiotekMousel | Mousel |
 Monique ReuterKetti | Ketti |
| DDenise GregoireLéonie | Léonie |
 Luc FeitJules | Jules |
| AAli BintzJhoss | Jhoss |
 Marie-Paule von RoesgenMarechen | Marechen |
 Thierry van WervekeEck | Eck |
| MManu WorréIrma | Irma |
| GGust MullerReicher | Reicher |
| EEvelyn WanderscheidReischesch | Reischesch |
| PPol HoffmannMallert | Mallert |
| JJean KayserLéo | Léo |
 Roger StahlThe teacher | The teacher |
| CCamille OlingerThe priest | The priest |
| JJoël PanruckerA pupil | A pupil |
| SSacha ZepfA pupil | A pupil |
 Sascha LeyÄnder | Änder |
| HHenning KöhlerSS officer | SS officer |