| Name | Character | Episodes |
|---|---|---|
| Gerd Baltus | Volker Schmitting | 16 |
| Gernot Endemann | Monteur Pfeffer ("Paprika" | 16 |
| Gerda Gmelin | Frau Brensberger | 16 |
| Günter Pfitzmann | Jochen Neubert | 16 |
| Jürgen Scheller | Herr Schöllcke | 16 |
| Stephan Schwartz | Ulli Joost | 8 |
| Robert Naegele | Dr. Bach | 1 |
| Herbert Fux | Alois Holzer | 1 |