| Actor | Character | Firearm | Notes |
|---|---|---|---|
| André Röhner | Chief Inspector Bohm | Heckler & Koch P2000 | Ep. "Schattenmann" |
| Anian Zollner | Thomas Sturm | Beretta 92FS Inox | Ep. "Unter Druck" |
| Anian Zollner | Thomas Sturm | SIG-Sauer P228 | Ep. "Unter Druck" |
| Charlotte Schwab | Police Councillor Anna Engelhardt | Heckler & Koch P2000 | Ep. "Auf eigene Faust"; Ep. "Der Verrat" |
| Charly Hübner | Frank Lukowitz | Sphinx AT 2000P | Ep. "Begraben" |
| Dietmar Huhn | Police Officer Horst 'Hotte' Herzberger | SIG-Sauer P225 | Ep. "Auf eigene Faust" |
| Frank Sieckel | Hans-Hinrich Wolkenhaupt | Beretta 92FS Inox | Ep. "Rabenmutter" |
| Gottfried Vollmer | Police Officer Dieter Bonrath | SIG-Sauer P228 | Ep. "Auf eigene Faust" |
| Sven Martinek | Wolf Mahler | Beretta 92FS | Ep. "Begraben" |
| Sven Martinek | Wolf Mahler | Beretta 92FS Inox | Ep. "Begraben" |
| Sven Martinek | Wolf Mahler | Micro Uzi | Ep. "Begraben" |
| Vasilis Spiliopoulos | A criminal | Beretta 92FS Inox | Ep. "Schattenmann" |