After 500 years, castle ghost Hui Buh finally has some royal residents to haunt, but he soon loses his license to scare and must get recertified.
| Actor | Role |
|---|---|
 Michael HerbigHui Buh | Hui Buh |
 Christoph Maria HerbstJulius | Julius |
 Heike MakatschLeonora Gräfin zu Etepetete | Leonora Gräfin zu Etepetete |
 Ellenie Salvo GonzálezKonstanzia | Konstanzia |
 Hans ClarinKastellan | Kastellan |
 Rick KavanianCharles | Charles |
 Nick BrimbleDaalor / Adolar | Daalor / Adolar |
| MMartin KurzTommy | Tommy |
 Wolfgang VölzMajor Servatius Sebaldus | Major Servatius Sebaldus |
 Christoph Hagen DittmannDicker Geisterjäger | Dicker Geisterjäger |
 Michael KesslerDünner Geisterjäger | Dünner Geisterjäger |
 Karel DobrýRitter Ottokar | Ritter Ottokar |
| KKarel VávrovecDekorateur 1 | Dekorateur 1 |
 Mojmír MaděričKutscher | Kutscher |
| NNicholas Hohmann4-Armiger-Verwaltungsgeist / Polizei-Geist 2 | 4-Armiger-Verwaltungsgeist / Polizei-Geist 2 |
 Oliver PocherFahrstuhlansager-Geist | Fahrstuhlansager-Geist |
 Hans PaetschNarrator | Narrator |