Recurring Guest Characters TBD 2 guest appearances tbd 1 guest appearances Wolfgang Michalzik 1 guest appearances tbd 1 guest appearances Petra Koopmann 1 guest appearances Jutta Zelinski 1 guest appearances Walter Blum 1 guest appearances Gefreiter Karl Neumann 1 guest appearances Katharina Litt 1 guest appearances HVA-Beamte 1 guest appearances Grenzpolizist Gerstel 1 guest appearances tbd 1 guest appearances Gabriela Wieczorek 1 guest appearances Alexander Below 1 guest appearances Taxifahrer 1 guest appearances Rainer Oligschläger 1 guest appearances Kellner 1 guest appearances Investor 1 guest appearances Polizist 1 guest appearances BND-Kollege 1 guest appearances ⇤ « 1 2 3 4 » ⇥