| Name | Character | Episodes |
|---|---|---|
| Julia Dietze | Susanne | 20 |
| Annika Ernst | Kirsten Beck-Ventroni | 20 |
| Reiner Schöne | Richter Manfred Wolf | 3 |
| Ursela Monn | Bella Rosenbaum | 2 |
| Peer Martiny | Arndt Temme | 2 |
| Mathieu Delarive | Juan | 2 |
| Florian Fitz | Dr. Peter Matuschek | 1 |
| Suzan Anbeh | Ruth von Hammerstein | 1 |
| Erdal Yıldız | Otto | 1 |
| Florian Bartholomäi | Michael Brück | 1 |
| Daniel Krauss | Dr. Jens Watzke | 1 |
| Daniel Steiner | Oliver Trepp | 1 |
| Stefan Weinert | Tankwart | 1 |
| Ivan Shvedoff | Wladimir Petrow | 1 |
| Kristin Suckow | Jana Zenker | 1 |
| Jessica Boehrs | Marie Schmickler | 1 |
| Stephan Luca | Dr. Erich August | 1 |
| Arnel Taci | Sven Resnav | 1 |
| Jo Kern | Regina Wagner | 1 |
| Daniela Preuss | Ellen Decker | 1 |
| Pia Mechler | Svenja Thorwald | 1 |
| Sarah Alles | Marietta Werner | 1 |
| Sylta Fee Wegmann | Maria Heldt | 1 |
| Mike Hoffmann | Enno von Hammerstein | 1 |
| Masha Tokareva | Agnieszka Grubowa | 1 |
| David A. Hamade | Leibwächter | 1 |
| Anna Heidegger | Lisa Berger | 1 |
| Horst Kotterba | Prof. Gerd Scharge | 1 |
| Kasem Hoxha | Simon Arndt | 1 |
| Marisa Leonie Bach | Luise Heinrichs | 1 |
| Martin Kaps | Ronny Matuschek | 1 |
| Michael Lott | Stefan Soost | 1 |
| Kai Ivo Baulitz | Richard Schuster | 1 |
| Florentine Lahme | Simone Matuschek | 1 |
| Anna Hausburg | Dr. Nicole Breuner | 1 |
| Tom Lass | ikolas 'Nickel' Hofreiter | 1 |
| Nils Brunkhorst | Martin | 1 |
| Oliver Stritzel | Gedeon Brandt | 1 |