| Name | Character | Episodes |
|---|---|---|
| August Wittgenstein | Maximilian Mertens | 20 |
| Maximilian von Pufendorf | Dr. Frank Fischer | 2 |
| Sabine Vitua | Elisabeth von Bergen | 2 |
| Arnd Klawitter | Peter Singler | 2 |
| Hannes Hellmann | Richter | 1 |
| Kirsten Block | Elisabeth Gradern | 1 |
| David Bredin | Adam Lensky | 1 |
| Sebastian Ströbel | Sven Posch | 1 |
| Anian Zollner | Dr. Clausen | 1 |
| Daniel Krauss | Pfarrer Jensen | 1 |
| Oliver Bröcker | Kai Wüllner | 1 |
| Bernhard Piesk | Thomas von Bergen | 1 |
| Deborah Kaufmann | Clara Baruch | 1 |
| Antonio Wannek | Mirco Prause | 1 |
| Isaak Dentler | Lars Warschewski | 1 |
| Daniela Schulz | Heike Lemmert | 1 |
| Ludger Bökelmann | Karl Baruch | 1 |
| Luise Helm | Kira Shotorbani | 1 |
| Manuel Cortez | Ramon Garcia | 1 |
| Anna von Haebler | Sarah Siebrecht | 1 |
| Timo Jacobs | Marco Kranz | 1 |
| Patrick von Blume | Herr Weigel | 1 |
| Artjom Gilz | Marvin Feist | 1 |
| Uwe Preuss | Jörg Hanke | 1 |
| Rüdiger Kuhlbrodt | Herr Nollendorf | 1 |
| Axel Pape | Dr. Barth | 1 |
| Christian Schmidt | Rechtsanwalt | 1 |