| Name | Character | Episodes |
|---|---|---|
| Jonas Laux | Jan Mahler | 10 |
| Guntbert Warns | Walter Fromm | 10 |
| Jophi Ries | Otto Kneidl | 1 |
| Florian Bartholomäi | Michael Bartel | 1 |
| Marco Hofschneider | Dr. Robert Kessler | 1 |
| Roeland Wiesnekker | Hermann Staiger | 1 |
| Hanno Friedrich | Frank Müller | 1 |
| Friederike Linke | Simone Seidel | 1 |
| Michael Che Koch | Volker Krause | 1 |
| Andreas Guenther | Jens Stoppek | 1 |