| Name | Character | Episodes |
|---|---|---|
| Klaus Münster | Lehrer Hollwang | 26 |
| Erna Sellmer | Helene Klausen | 26 |
| Karl-Heinz Kreienbaum | Herr Maiers | 4 |
| Horst Janson | Michael Rühling | 2 |
| Hans Elwenspoek | Franz Stolzenberg | 1 |
| Dieter Eppler | Werner Dübbers | 1 |
| Gerda Gmelin | Frau Büchner | 1 |
| Name | Character | Episodes |
|---|---|---|
| Klaus Münster | Lehrer Hollwang | 26 |
| Erna Sellmer | Helene Klausen | 26 |
| Karl-Heinz Kreienbaum | Herr Maiers | 4 |
| Horst Janson | Michael Rühling | 2 |
| Hans Elwenspoek | Franz Stolzenberg | 1 |
| Dieter Eppler | Werner Dübbers | 1 |
| Gerda Gmelin | Frau Büchner | 1 |