| Actor | Role |
|---|---|
 Hansi KrausLudwig Thoma | Ludwig Thoma |
 Kristina NelLilly Klausing | Lilly Klausing |
 Käthe BraunTheres Thoma | Theres Thoma |
 Bruno HübnerProf. Nasenpfeifer | Prof. Nasenpfeifer |
 Ernst Fritz FürbringerSchool Director | School Director |
| MMonika GrevingMathilde Klausing | Mathilde Klausing |
 Harald JuhnkeMr. Klausing | Mr. Klausing |
| PPetra FalgeLiesl | Liesl |
 Ludwig Schmid-WildyRower | Rower |
| WWilly SchultesPostman | Postman |