The dog Wurstl from former student Harry is shot by a hunter and then drifts through the Saale to East Germany.
| Actor | Role |
|---|---|
 Werner EnkeCharly | Charly |
 Beatrice RichterCharlotte Schubert | Charlotte Schubert |
 Michael GahrDr. Finke | Dr. Finke |
 Henry van LyckHarry | Harry |
 Kurt WeinzierlRufus Schubiak | Rufus Schubiak |
 Klaus MünsterDDR Grenzsoldat | DDR Grenzsoldat |
| IIngrid SchölderleDörte | Dörte |