| Name | Character | Episodes |
|---|---|---|
| Alexander Held | Ludwig Schaller | 20 |
| Bernadette Heerwagen | Angelika Flierl | 20 |
| Barbara de Koy | Claudia Birgel | 2 |
| Anna Unterberger | Bianca Leiss | 1 |
| Martin Umbach | Gustav „Gustl“ Schmidinger | 1 |
| Leo Reisinger | Armin Riester | 1 |
| Volker Bruch | Toni Bernlocher | 1 |
| Denis Moschitto | Pawel Sokol | 1 |
| Sebastian Ströbel | Andreas Geissler | 1 |
| Tim Seyfi | Christian Mölder | 1 |
| Anian Zollner | Prof. Michael Knöpfle | 1 |
| Jacob Matschenz | Fidelius Aubacher | 1 |
| Götz Otto | Ringo (Cameo) | 1 |
| Julia Koschitz | Laura Lancelotti | 1 |
| Nikolaus Paryla | Josef Kleint | 1 |
| Rufus Beck | Oliver Papst | 1 |
| Agnes Kiyomi Decker | Angelika Schneider | 1 |
| Katja Brenner | Claudia Mehlinger | 1 |
| Thomas Darchinger | Max Olbert | 1 |
| Ulla Geiger | Emma Gutsch | 1 |
| Sinja Dieks | Nike Hagen | 1 |
| Dorka Gryllus | Leana | 1 |
| Thomas Limpinsel | Gustav Bernlocher | 1 |
| Alexander Beyer | Dirk Ascher | 1 |
| Jeanette Hain | Katharina Schmidinger | 1 |
| Jürgen Tonkel | Hannes „Breitner“ Bachmaier | 1 |
| Katharina Müller-Elmau | Silke Rothmann | 1 |
| David Zimmerschied | Fridolin Fehr | 1 |
| Jockel Tschiersch | Gsottner | 1 |
| Rony Herman | Henrik Rothmann | 1 |
| Inka Friedrich | Maria Thallinger | 1 |
| Harry Baer | Lucio Fontano | 1 |
| Jörg Hartmann | Johannes Dengler | 1 |
| Wolfgang Fierek | Jochen Schildt | 1 |
| Nicole Marischka | Lydia Dengler | 1 |
| Alexander Duda | Karli Kirschhuber | 1 |
| Mathis Landwehr | Mann von den Stadtwerken | 1 |
| Jenny Schily | Anita Jandl | 1 |
| Nina Franoszek | Anne Finke | 1 |
| Dieter Landuris | Girgl Hofmann | 1 |
| Sigi Zimmerschied | Gisbert | 1 |
| Gerd Lohmeyer | Josef Aubacher | 1 |
| Fred Stillkrauth | Alois Schneider | 1 |
| Carol Schuler | Maria | 1 |
| Ferdinand Dörfler | 1 | |
| Anne Kanis | Bettina Geissler | 1 |
| Emilio De Marchi | Franco | 1 |
| Stefan Merki | Philipp Wimmer | 1 |
| Ill-Young Kim | Shinji Akai | 1 |
| Axel Moustache | Jannis | 1 |
| Tilman Strauss | Holger Gerl | 1 |
| Wolfgang Pregler | Jan Tomek | 1 |
| Simon Schwarz | Dr. Gregor Holzmann | 1 |
| Myriam Schroeder | Mareike Lohmann | 1 |
| Hans Stadlbauer | 1 | |
| Tom Lass | Tomas Horvath | 1 |
| Hannes Wegener | Konrad Saxinger | 1 |
| Simon Eckert | Enrico | 1 |