| Name | Character | Episodes |
|---|---|---|
| Iris Berben | Rosa Roth | 31 |
| Jockel Tschiersch | Charly Kubik | 31 |
| Carmen-Maja Antoni | Karin von Lomanski | 31 |
| Hartmut Becker | Roger Wienandt | 2 |
| Gitta Schweighöfer | Anna Körber | 2 |
| Christoph Waltz | Wietze | 1 |
| Elyas M'Barek | Nejo Gül | 1 |
| Mina Tander | Yasemin Deinhardt | 1 |
| Lavinia Wilson | Ines Täubner | 1 |
| Oliver Korittke | Gunnar | 1 |
| Inga Busch | Tina Barach | 1 |
| Devid Striesow | Stefan Gruber | 1 |
| Andrea Sawatzki | Frau Harder | 1 |
| Eva Habermann | Carmen | 1 |
| Jan-Gregor Kremp | Gregor Feilhaber | 1 |
| Martina Gedeck | Mona | 1 |
| Sonja Gerhardt | Fiona Wilkens | 1 |
| Joel Basman | Matthis Block | 1 |
| Lisa Maria Potthoff | Esther Bergmann | 1 |
| Sebastian Koch | Rolf Kage | 1 |
| Roman Knižka | André Schöneberg | 1 |
| Jördis Triebel | Maike Benstorff | 1 |
| Christian Berkel | Maiwald | 1 |
| Gesine Cukrowski | Eva | 1 |
| Leslie Malton | Brigitte Potzner | 1 |
| Filip Peeters | Maik | 1 |
| Ulrich Noethen | Ralf Vorburg | 1 |
| Peter Kurth | Henning von der Osten | 1 |
| Karin Baal | Frau Seifert | 1 |
| Jürgen Vogel | Hanno | 1 |
| Jürgen Vogel | Boris Raskow | 1 |
| Udo Kier | Ommer | 1 |
| Benjamin Sadler | Fuhrmann | 1 |
| Sylvester Groth | Michael Katzmann | 1 |
| Alexander Held | Dr. Jakob Robran | 1 |
| Rosemarie Fendel | Helga Bannert | 1 |
| Suzanne von Borsody | Dr. Kerstin Sander | 1 |
| Michael König | Direktor Dr. Hans Wagner | 1 |
| Ulrich Mühe | 1 | |
| Mario Adorf | Waffenhändler Willem van Kleve | 1 |
| Doris Kunstmann | Gertraud Block | 1 |
| Anneke Kim Sarnau | Adrienne Krayen | 1 |
| Uwe Kockisch | Hans Passow | 1 |
| Vadim Glowna | Lothar | 1 |
| Ulrich Tukur | Peter Nikolai | 1 |
| Daniel Zillmann | Alex | 1 |
| Thomas Darchinger | Krämer | 1 |
| Axel Milberg | Norbert Kamp | 1 |
| Joachim Bißmeier | Dr. Syrus Kufstein | 1 |
| Wilfried Hochholdinger | Häussler | 1 |
| Thomas Heinze | Hannes Dietz | 1 |
| Niels-Bruno Schmidt | Arvid Bogner | 1 |
| Thomas Arnold | Stefan Rieke | 1 |
| Michael Gwisdek | Andreas Flade | 1 |
| Petra Zieser | Mutter Schöneberg | 1 |
| Catherine Flemming | Alice Grönfeldt | 1 |
| Joachim Paul Assböck | Locke | 1 |
| Dieter Mann | Dr. Gotschlich | 1 |
| Dieter Kirchlechner | Kriminaloberrat Steinkopf | 1 |
| Ken Duken | Eric | 1 |
| Johann von Bülow | Jörg Deinhardt | 1 |
| Christian Ulmen | Harald Förster | 1 |
| Cosma Shiva Hagen | Martha Hanson | 1 |
| Clemens Schick | Staatsanwalt Gander | 1 |
| Marco Hofschneider | Sven | 1 |
| Walter Kreye | Vater Hanson | 1 |
| Tobias Schenke | Mark | 1 |
| Gert Haucke | Kasunke | 1 |
| Lisa Martinek | Caroline Graf-Dittmann | 1 |
| Manfred Zapatka | Radowiscz | 1 |
| Lars Rudolph | Hansi Wagner | 1 |
| Anna Thalbach | Melanie Bruch | 1 |
| Matthias Fuchs | Dr.Mohn | 1 |
| Dieter Laser | Jacob Salfeld | 1 |
| Hans Martin Stier | Münster | 1 |
| Rüdiger Vogler | Schilling | 1 |
| Tatjana Blacher | Hannelore | 1 |
| Wolf-Dietrich Sprenger | Rüdiger Koppel | 1 |
| Jenny Schily | Yvonne Schwender | 1 |
| Frank Giering | Wolf Gotschlich | 1 |
| Orso Maria Guerrini | Jean Luc Sanglier | 1 |
| Max Befort | Sven Tillmann | 1 |
| Maria Bachmann | Kerstin Wessels | 1 |
| Marita Marschall | Gerlinde Koch | 1 |
| Hans-Michael Rehberg | Raskow | 1 |
| Hans-Michael Rehberg | Nikolai Raskow | 1 |
| Peter Davor | Marty | 1 |
| Hansa Czypionka | Holger Zobel | 1 |
| Leon Boden | Steffen Balz | 1 |
| Tayfun Bademsoy | Bob | 1 |
| Annalena Duken | Annemarie Steiner | 1 |
| Thomas Bestvater | Gössler | 1 |
| Nele Mueller-Stöfen | Swetlana | 1 |
| Herb Andress | Zuhälter | 1 |
| Gesche Tebbenhoff | Effi | 1 |
| Ingeborg Westphal | Gisela Schulerus | 1 |
| Sergej Moya | Sascha Bremer | 1 |
| Martin Seifert | Jochen Rübke | 1 |
| Heikko Deutschmann | Roland | 1 |
| Elke Winkens | Paula de Fries | 1 |
| Michael Rast | Max Robertsen | 1 |
| Peter Roggisch | Hans Leun | 1 |
| Jürgen Tarrach | Jürgen Wuttke | 1 |
| Volker Lechtenbrink | Ronald Sander | 1 |
| Fritz Karl | Severin Burghoff | 1 |
| Martin Ontrop | Dirk Wessels | 1 |
| Bernd Stegemann | Regierungsrat Huck | 1 |
| Robert Schupp | Nico Möller | 1 |
| Jaecki Schwarz | Wernicke | 1 |