| Name | Character | Episodes |
|---|---|---|
| Alexander Scheer | Lenny | 86 |
| Alicia Ziegler | Cameo | 86 |
| Felicitas Woll | Carlotta 'Lolle' Holzmann | 86 |
| Charly Hübner | Guido | 2 |
| Florian Panzner | Paul | 1 |
| Lars Eidinger | Student | 1 |
| Sebastian Hülk | Jugendlicher | 1 |
| Anna Fischer | Kata | 1 |
| Winfried Glatzeder | Thor - der Heiler | 1 |
| Fabian Busch | David Safier | 1 |
| Armin Dillenberger | Trainer | 1 |
| Gode Benedix | 2. Bieter | 1 |
| Niels-Bruno Schmidt | Kevin | 1 |
| Hendrik Duryn | Kai | 1 |
| Brigitte Grothum | Frau Leineweber | 1 |
| Alexander Hörbe | Skin 2 | 1 |
| Margarita Broich | Lena Blaschke | 1 |
| Joost Siedhoff | Max Bittner | 1 |
| Cheyenne Rushing | Jana | 1 |
| Stephan Kampwirth | Ludger Heimbach | 1 |
| Thomas Morris | Terry | 1 |
| Martin Kiefer | Noel | 1 |
| Mickey Hardt | Olaf | 1 |
| Sabine Berg | Frau Weissenberger | 1 |
| Dirk Borchardt | Skin 1 | 1 |
| Horst Kotterba | Briefträger | 1 |
| Urs Remond | Herr Gerolf | 1 |
| Jeff Caster | Millionär | 1 |
| Karim Cherif | Chris | 1 |
| Komi Togbonou | Taxifahrer | 1 |
| Kristian Kiehling | Joshua | 1 |
| Alexandra Neldel | Vero Gol-Sawatzki | 1 |