Birgit Reincke is a resolute and quick-witted investigator in her early 50s who has seemingly given up her job. She is assisted by Jonas Becker, an aggressive and impulsive rookie detective, and Marie Sonnleitner, a brilliant scientist.
| Actor | Role |
|---|---|
 Veronica FerresBirgit Reincke | Birgit Reincke |
 Tim Oliver SchultzJonas Becker | Jonas Becker |
 Salka WeberMarie Sonnleitner | Marie Sonnleitner |
 Heiko RuprechtFelix Simon | Felix Simon |
 Marcel MohabXaver Diehl | Xaver Diehl |
 Sami LorisKorbinian Ebersbach | Korbinian Ebersbach |
 Milena DreißigPatrizia Bartels | Patrizia Bartels |
 Jutta FastianKatrin Heuser | Katrin Heuser |
 Nikolaus BartonDennis Gehrke | Dennis Gehrke |
 Martina EbmSonja Gehrke | Sonja Gehrke |
 Rafael GareisenQuirin Hofanger | Quirin Hofanger |
 Florian SchmidtkeBenedikt Hofanger | Benedikt Hofanger |
 Elke WinkensDr. Aurika Dumitru | Dr. Aurika Dumitru |
| YYeji ChoJana Melzheimer | Jana Melzheimer |