| Name | Character | Episodes |
|---|---|---|
| Götz George | Horst Schimanski | 17 |
| Suzanne von Borsody | Julia Schäfer | 4 |
| Christoph Waltz | Klaus Mandel | 1 |
| Robert Stadlober | Rumpelstilzchen | 1 |
| Sebastian Koch | Dirk Vogel | 1 |
| Roman Knižka | Andy Bergmann | 1 |
| Thierry van Werveke | Marnix | 1 |
| Christian Redl | Gaubner | 1 |
| Renée Soutendijk | Eva Marsfeldt | 1 |
| Ulrich Matschoss | Kriminalrat Karl Königsberg | 1 |
| Sylvester Groth | Christian Wörner | 1 |
| Julia Jäger | Dr. Karla Zimmermann | 1 |
| Suzanne von Borsody | Julia | 1 |
| Nikolaus Paryla | David Rosenfeldt | 1 |
| Eleonore Weisgerber | Frau Wörner | 1 |
| Fabian Busch | Ricardo | 1 |
| Henry Hübchen | Keller | 1 |
| Katharina Schüttler | Alice Keller | 1 |
| Ulrike Kriener | Sonja Hoppe | 1 |
| Anica Dobra | Uta Maubach | 1 |
| Denise Virieux | 1 | |
| Denise Virieux | Marie Claire | 1 |
| Hannes Jaenicke | Ewers | 1 |
| Hannes Jaenicke | Günther Patzak | 1 |
| Katrin Sass | Elke Dorn | 1 |
| Christiane Hörbiger | Simone Popp | 1 |
| Chiem van Houweninge | 1 | |
| Sergej Moya | 1 | |
| Laura Tonke | Nina | 1 |
| Matthias Koeberlin | Uwe Herstein | 1 |
| Matthias Brandt | Martin Krawe | 1 |
| Suzanne von Borsody | 0 |