Recurring Guest Characters Junges Mädchen 1 guest appearances Piotr 1 guest appearances Dr. Heinz Berndorf 1 guest appearances Kalle Stichler 1 guest appearances Polizist 1 guest appearances Merkus 1 guest appearances Heinrich 1 guest appearances Friedericke Wendrich 1 guest appearances Junge Kleo 1 guest appearances Junger Holger 1 guest appearances Gunther Rossbach Ausbilder Nahkampf 1 guest appearances Lehrerin 1 guest appearances Holger 1 guest appearances TBD 1 guest appearances TBD 1 guest appearances TBD 1 guest appearances TBD 1 guest appearances TBD 1 guest appearances TBD 1 guest appearances TBD 1 guest appearances ⇤ « 1 2 3 4 » ⇥