| Name | Character | Episodes |
|---|---|---|
| Horst Frank | Professor Hass | 12 |
| Anita Kupsch | Fräulein Erlebrecht | 12 |
| Wolfgang Condrus | Fischer Lüttich | 12 |
| Klaus Münster | Glasermeister Kannegießer | 12 |
| Gernot Endemann | Apotheker Timm | 12 |
| Hans Clarin | Küster Lodders | 1 |
| Christiane Maybach | Touristin | 1 |