Pranksters Moritz Bolle and Max Sturbier plague their neighbors with cruel tricks - especially young record‐seller Brigitte, whom Moritz woos by posing as a Mozart‐loving engineer. When sharp‐witted Grandma Heimdall uncovers his lies, she tailors him a reckoning, exposing his scams and bringing their mischief to an end.
| Actor | Role |
|---|---|
 Liselott BaumgartenOma Mathilde Heimdall | Oma Mathilde Heimdall |
 Walter Richter-ReinickOtto Krakel | Otto Krakel |
 Dieter MannMoritz Bolle | Moritz Bolle |
| AAgnes KrausFrau Kienapfel | Frau Kienapfel |
 Jenny GröllmannFanny | Fanny |