| Name | Character | Episodes |
|---|---|---|
| Dietrich Hollinderbäumer | Christian Fröhlich | 8 |
| Axel Stein | Thomas Reuter | 5 |
| Kristina Klebe | Josephine Delius | 4 |
| Diego Wallraff | Ezequiel Morales | 4 |
| Gustav Peter Wöhler | Kai Schilling | 3 |
| Jophi Ries | Georg Swoboda | 1 |
| Mark Zak | Antonio | 1 |
| Sönke Möhring | Professor Wagenberg | 1 |
| Robert Seeliger | Klaus Fehrmann | 1 |
| Jürgen Rißmann | Anton Küpper | 1 |
| Alexander Schubert | Marc Leyendecker | 1 |
| Thomas Heinze | Professor Hagemeister | 1 |
| Niels-Bruno Schmidt | Frederik Pilau | 1 |
| Thomas Arnold | Konrad Siemens | 1 |
| Milton Welsh | Fred Schmerbeck | 1 |
| Natalia Avelon | Lisa Nowak | 1 |
| Torben Liebrecht | Ralf Schmelich | 1 |
| Stefan Gebelhoff | Max Thierse | 1 |
| Klaus Zmorek | Jan Bertels | 1 |
| Klaus Nierhoff | Staatsanwalt Holler | 1 |
| Masha Tokareva | Olivia Pilau | 1 |
| Michael Che Koch | Manager | 1 |
| Thelma Buabeng | Alma Taza | 1 |
| Paul Wollin | Florian Baus | 1 |
| Kasem Hoxha | Timo Jacobs | 1 |
| Anatole Taubman | Norbert Poll | 1 |
| Michael Lott | Steven Wittberger | 1 |
| Heikko Deutschmann | Eric Block | 1 |
| Slavko Popadic | Niels Blomkamp | 1 |