| Name | Character | Episodes |
|---|---|---|
| Tim Seyfi | Yilmaz | 2 |
| Christoph Eichhorn | Raab | 1 |
| Lisa Maria Potthoff | Carmen Schubert | 1 |
| Roman Knižka | Kai Krom | 1 |
| Franz Rudnick | Innenminister | 1 |
| Marc Hosemann | Andy | 1 |
| Billie Zöckler | Frau Nerle | 1 |
| Pasquale Aleardi | Gianluca Zafferano | 1 |
| Franziska Troegner | Laetitia Westermann | 1 |
| Wolfram Berger | Konrad Buchner | 1 |
| Edgar Selge | Prof. Thurnau | 1 |
| Michael Kind | Holger Jansen | 1 |
| Andreas Schmidt-Schaller | Weiland | 1 |
| Stefan Gebelhoff | Martin Münster | 1 |
| Max Tidof | Christian Pollinger | 1 |
| Nicole Marischka | 1 | |
| Alexander Duda | Mahnkopf | 1 |
| Wolf-Dietrich Sprenger | Kern | 1 |
| Rainer Basedow | Stadtrat Schuster | 1 |
| Tyron Ricketts | Captain Lightning | 1 |
| Götz Burger | Kassierer | 1 |
| Gerd Lohmeyer | Gustl | 1 |