| Name | Character | Episodes |
|---|---|---|
| Alexander Held | Karl Hidde | 23 |
| Wanja Mues | Max Morolf | 6 |
| Wotan Wilke Möhring | Benjamin Lietz | 5 |
| Harald Schrott | Michael Broder | 3 |
| Dietmar Mues | Niklas Petersen | 2 |
| Anja Antonowicz | Tatjana Komerenkowa | 2 |
| Kirsten Block | Susanne Winkler | 2 |
| Florian Bartholomäi | Sascha Müller | 2 |
| Lucas Gregorowicz | Anton Robak | 2 |
| Jan Henrik Stahlberg | Jan Pawlowski | 2 |
| Peter Schneider | Dieter Wolf | 2 |
| Bernadette Heerwagen | Lisa Becker | 2 |
| Tim Wilde | 2 | |
| Katharina Nesytowa | Anna Breetz | 1 |
| Sebastian Hülk | Mike Voss | 1 |
| Michaela Caspar | Maren Fenske | 1 |
| Barnaby Metschurat | Henrik Brandt | 1 |
| Lena Stolze | Vera Hidde | 1 |
| Angela Roy | Annegret Böhring | 1 |
| Justus von Dohnányi | Dirk Göttler | 1 |
| Rudolf Kowalski | Peter "Victor" Schuhmacher | 1 |
| Rudolf Kowalski | 1 | |
| Peter Lohmeyer | Peter Marohn | 1 |
| Johann von Bülow | Prof. Oliver Lauder | 1 |
| André Hennicke | Ewert | 1 |
| Melika Foroutan | Paula Selow | 1 |
| Alexander Scheer | Wolf Broder | 1 |
| Ivan Shvedoff | Vitali Komerenko | 1 |
| Catrin Striebeck | Wiebke Goosen | 1 |
| Ronald Kukulies | Jens Roberts | 1 |
| Marek Harloff | Dirk Wegener | 1 |
| Andreas Leupold | Dr. Steiger | 1 |
| Claudia Rieschel | Frau Becker | 1 |
| Claudia Rieschel | Petra Becker | 1 |
| Heike Trinker | Frau Warnke | 1 |
| Sylta Fee Wegmann | Monika Lüders | 1 |
| Patrick von Blume | Thorsten Weber | 1 |
| Pheline Roggan | 1 | |
| Denis Schmidt | Peter Gruber | 1 |
| Christoph Franken | Hanno Benke | 1 |
| Katharina M. Schubert | 1 | |
| Simon Schwarz | Peter Thies | 1 |
| Vivian Mahler | Dr. Luise Scherer | 1 |
| Mignon Remé | Anne Vollath | 1 |
| Lea Drinda | Daria | 1 |