Günter has completed his electrical engineering degree and returns to Berlin. His old foreman and his wife welcome him and want to take a Sunday trip to Grünau, but he wants to visit a mechanical engineering exhibition that is only open that day. The old gentlemen accompany him to Stalinallee, and here something fateful happens: Günter meets the girl he has always fancied again ...
| Actor | Role |
|---|---|
| AAnna-Maria HornIrene, Laborantin | Irene, Laborantin |
 Willi SchradeGünther, Ingenieur | Günther, Ingenieur |
 Walter Richter-ReinickKarl, Werkmeister | Karl, Werkmeister |
| MMaria RouvelLuise | Luise |
 Werner LierckRoman, Busfahrer | Roman, Busfahrer |
 Evamaria BathIsabella, Weberin | Isabella, Weberin |
| RRolf RippergerHarry, Brigadier | Harry, Brigadier |
| HHarald WarmbrunnOtto, Trainer | Otto, Trainer |
 Herbert KöferSpecht, Objektleiter | Specht, Objektleiter |
| IIsolde ThümmlerMartha | Martha |
 Gerd E. SchäferOrdner | Ordner |
 Jochen DiestelmannHerbert | Herbert |
| HHans SieversHeini | Heini |
 Rolf RömerFritz | Fritz |