Guest Stars Uwe Preuss as Marcus Fuchs Niels Bormann as Fritz Hartmann Anke Engelke as Barbara Dietrich Vladimir Burlakov as Thomas Posimski Michaela Caspar as Frau Netz Helena Pieske as Steffi Fischer Emilia Pieske as Sandra Fischer Knut Berger as Christoph Fischer Co Starring Arnd Klawitter as Florian Amend Athena Strates as Sprembex Secretary Jan Krauter as Marc Friedberg Karsten Mielke as Lars Tilla Kratochwil as Secretary HVA Deborah Kaufmann as Deborah Rosenberg Денис Бургазлиев as Nikolai Volkov Thelma Buabeng as Khaya Ursula Renneke as Hilde Eleonore Weisgerber as Frau Rosenberg