The Klemmers and the Neuberts live in a two-family house. The day before their driving test, Egon Klemmer and Bruno Neubert secretly buy a small blue Saporoshez from Ms. Stepper. Buying a car triggers turbulent entanglements, primarily due to Egon, who uses the little blue man for a secret jaunt.
| Actor | Role |
|---|---|
 Rolf HerrichtEgon Klemmer | Egon Klemmer |
 Ingeborg KrabbeRosi Klemmer | Rosi Klemmer |
 Heinz BehrensBruno Neubert | Bruno Neubert |
 Margot EbertGisela Neubert | Gisela Neubert |
| HHeidi WeigeltDoris Stepper | Doris Stepper |
| HHelga HahnemannElvira Filitz | Elvira Filitz |
 Wolfgang PenzDr. Ahlschweig | Dr. Ahlschweig |
| BBirgit EdenharterIlona Wiggensittich | Ilona Wiggensittich |
 Lutz RiemannRudi Stepper | Rudi Stepper |