Guest Stars Jakob Renger as Sergio Achim Hübner as Lothar Rosenberg Eberhard Figlarek as Moritz Sand Herbert Köfer as Ralph Kessel Ilse Strambowski as Helga Binz Oliver Scherz as Felix Schmidt Barbara Trommer as Inge Schmidt Christin Heim as Lana Posimski Dieter Schaad as Karl Marr Felix Lampe as Lukas Franzen Gunnar Helm as Oliver