Martin Schell, Professor of Marine Biology, and his assistant Doreen have been a happy couple for half a year. Doreen would be even happier if Martin finally married her and moved into a shared apartment with her. But the diehard single is not comfortable with the idea of a strong bond.
| Actor | Role |
|---|---|
 Michael FitzProf. Martin Schell | Prof. Martin Schell |
 Birge SchadeNina Hofmann | Nina Hofmann |
 Horst SachtlebenKurt Schell | Kurt Schell |