A rookie detective’s first case is to observe an engineer, but she behaves so clumsily in her job, that she’s mistaken for a thief and con artist.
| Actor | Role |
|---|---|
 Ferdinand MarianIng. Alfred Peters | Ing. Alfred Peters |
 Margot HielscherInge Christensen - Correspondent | Inge Christensen - Correspondent |
 Oskar SimaDetective Schmidt | Detective Schmidt |
 Lizzi HolzschuhNot listed | Not listed |
 Jane TildenNot listed | Not listed |