| Name | Character | Episodes |
|---|---|---|
| Guido Broscheit | Kai Boscharski | 27 |
| Andrea Eckert | Sybille Rehfeld | 27 |
| Sebastian Hülk | Andreas | 1 |
| Judith Hoersch | Susanne Weigelt | 1 |
| Jorres Risse | Jakob Weigelt | 1 |
| Peer Martiny | Armin Berners | 1 |
| Sönke Möhring | Thomas | 1 |
| Peggy Lukac | Hanna Ahrens | 1 |
| Winnie Böwe | Frau Kortig | 1 |
| Catherine Flemming | Sabine Hoff | 1 |
| Michael Baral | Oliver Nieborg | 1 |
| Jockel Tschiersch | Rolf Schneider | 1 |
| Lars Pape | Mirco Kuhlbrodt | 1 |
| Frank Röth | Kurt Hagedorn | 1 |
| Harvey Friedman | Herr Martins | 1 |
| Annalena Duken | Jenny Merz | 1 |
| Daniel Buder | Markus Brühl | 1 |
| Masha Tokareva | Tatjana Gorlova | 1 |
| Christian Blümel | Christian Holst | 1 |
| Murat Yılmaz | Herr Fatih | 1 |
| Veronika Nowag-Jones | Rita Jacobs | 1 |
| Tim Morten Uhlenbrock | Til Bachmann | 1 |
| Sascia Haj | Rosa Grünert | 1 |