| Name | Character | Episodes |
|---|---|---|
| Jockel Tschiersch | Karl-Heinz Dilba | 86 |
| Jürgen Schornagel | Winter | 86 |
| Siemen Rühaak | Martin Becker | 73 |
| Richy Müller | Stepinski | 1 |
| Richy Müller | Jens Beck, MEK-Einsatzleiter | 1 |
| Dominique Horwitz | Mantilla | 1 |
| Hannes Hellmann | Gert Malchow | 1 |
| Hannes Hellmann | Thomas Benthin | 1 |
| Monica Bleibtreu | Frau Herrmann | 1 |
| Moritz Bleibtreu | Nils Herrmann | 1 |
| Fatih Akin | Erdal | 1 |
| Horst Frank | Paul Köstler | 1 |
| Roman Knižka | Kai Teichermann | 1 |
| Hans Georg Panczak | Zacko Zacharias | 1 |
| Christian Berkel | Sebastian van Leuyen | 1 |
| Sven Martinek | Sven Christians | 1 |
| Anna Maria Mühe | Jule Schuler | 1 |
| Gustav Peter Wöhler | Ludwig Schenk | 1 |
| Christian Redl | Uhlstedt | 1 |
| Anian Zollner | Lottner, LKA | 1 |
| Jürgen Vogel | Fromm | 1 |
| Udo Kier | König | 1 |
| Götz Otto | Bernd Glowacz | 1 |
| Mathieu Carrière | Kinzel | 1 |
| Armin Rohde | Eddy Stein | 1 |
| Alexander Held | Wolfgang Hartmann | 1 |
| Herbert Knaup | Klaus Brandstein | 1 |
| Michael König | Senator Frömming | 1 |
| Dominic Raacke | Berger | 1 |
| Wanja Mues | Oliver Brandt | 1 |
| Lena Stolze | Marion Bergmann | 1 |
| Katja Studt | Anna Marquardt | 1 |
| Maximilian von Pufendorf | Jakob Selbmann | 1 |
| Hartmut Becker | Möckel | 1 |
| Vadim Glowna | Bluhm | 1 |
| Judy Winter | Frau Reesebeck | 1 |
| Burghart Klaußner | Richter Olaf Reiffenberg | 1 |
| Burghart Klaußner | Staatsanwalt Galwitz | 1 |
| Michael Gwisdek | Dr. Becker-Huberty | 1 |
| Bernd Michael Lade | Frank Stiereck | 1 |
| Bernd Michael Lade | Achim Brügge | 1 |
| Peter Lohmeyer | Werner Siebert | 1 |
| Leonard Lansink | Mark Roda | 1 |
| Catherine Flemming | Paula Wagner | 1 |
| Karlheinz Hackl | Robert Seelig | 1 |
| Tilo Prückner | Knut | 1 |
| Samuel Finzi | Miroslav Waitka | 1 |
| Dieter Kirchlechner | Hollmann | 1 |
| Walter Giller | Opa Lehmann | 1 |
| Udo Schenk | Gerd Greinert | 1 |
| André Hennicke | Mirko Gospic | 1 |
| André Hennicke | Karl Grauwendner | 1 |
| Merab Ninidze | Michael Petzold | 1 |
| Jochen Nickel | Rainer Gebhardt | 1 |
| Jochen Nickel | Thomas Krohn | 1 |
| Ben Becker | Udo Fischer | 1 |
| Walter Kreye | Wolfgang Burger | 1 |
| Anna Böttcher | Gefangene | 1 |
| Rebecca Immanuel | Ursula Markgraf | 1 |
| Michael Brandner | Michael Fromm | 1 |
| Michael Brandner | Oberstaatsanwalt Kemmer | 1 |
| Julia Richter | Christina Wagner | 1 |
| Lisa Martinek | Johanna | 1 |
| Anna Thalbach | Iris Brügge | 1 |
| Christoph M. Ohrt | Manfred Ölschläger | 1 |
| Stefanie Stappenbeck | Kleo | 1 |
| Matthias Fuchs | Harald Manthey | 1 |
| Katrin Pollitt | Winters Nachbarin, Louis' Mutter | 1 |
| Muriel Baumeister | Bettina | 1 |
| Katy Karrenbauer | Martina Mergentheim | 1 |
| Sabine Postel | Anna Welting | 1 |
| Rüdiger Vogler | Gerichtsmediziner Dr. Helmut Benzige | 1 |
| Hark Bohm | Heinz Tralau | 1 |
| Andreas Schmidt-Schaller | Losse | 1 |
| Manfred Lehmann | Tückmantel | 1 |
| Jochen Horst | Clemens Folkwang | 1 |
| Jacques Breuer | Ulrich Umland | 1 |
| Janette Rauch | Judith | 1 |
| Anatole Taubman | Markus | 1 |
| Michael Lott | Kommissar Hoffmann, LKA | 1 |
| Heikko Deutschmann | Dr. Klaus Droemer | 1 |
| Nadeshda Brennicke | Bianca | 1 |
| Götz Schubert | Jochen Hübner | 1 |
| Jörg Pleva | Koschnik | 1 |
| Florian Fischer | Ole Wiltrich | 1 |
| Matthias Brandt | Jochen Michelsen | 1 |
| Michael Schönborn | Polizeioberkommissar Buschke | 1 |
| Michael Schönborn | KTU-Techniker | 1 |
| Oliver Wnuk | Rocco Schulze | 1 |
| Tim Wilde | Viktor Groleck | 1 |