| Name | Character | Episodes |
|---|---|---|
| Tom Wlaschiha | Richard Felgenbauer | 8 |
| Agata Buzek | Edmunda Cerna | 8 |
| Tobias Moretti | Georg Trotter | 8 |
| Angel Coulby | Diana Trotter | 8 |
| Amanda Abbington | Erika Green | 8 |
| Benjamin Sadler | Andreas Müller | 8 |
| August Wittgenstein | Hans Maurer | 8 |
| Raymond Thiry | Jean Leco | 8 |
| Peter Lohmeyer | Klaus Fischer | 8 |
| Valerie Huber | Eva Rieper | 8 |
| John Keogh | Jeremy Hall | 8 |
| Adriane Gradziel | Dr. Ina Kerr | 8 |
| Jonathan Failla | Cameron Rea | 8 |
| Megan Gay | Director of Administration | 8 |