| Name | Character | Episodes |
|---|---|---|
| László I. Kish | Dr. Wilfried Holzknecht | 114 |
| Charles Brauer | Wilhelm Althofer | 114 |
| Diana Körner | Hedda Althofer | 114 |
| Martin Gruber | Chris Gellert | 1 |
| Christian Kahrmann | 1 | |
| Christian Kahrmann | Jan Lederacht | 1 |
| Enzi Fuchs | 1 | |
| Enzi Fuchs | Katharina Schirmer | 1 |