Frank Vockroth

as Manfred Tresko (1 episode)

as Fritz Brunner (1 episode)

as Jon Peterson (16 episodes)

as Jacob von Grünfeld (1 episode), as Prof. Markus Huber (1 episode)

as Bernd 'Boje' Thomforde (72 episodes)

as Hannes Behnken

as Dr. Schnitz (8 episodes)

as Puschel (11 episodes)

as Sören (1 episode)

as Ralph Büttner

as Stasi Officer

as Horst Kruse (68 episodes)

as Bettenschieber

as Le Héraut

as Heinz (1 episode)

as Biker

as Büffel (2 episodes)

as Gregor Neleit (1 episode)

as Kalle

as Schrank

as Klaas Thorwesten (1 episode)

as Michael Westphal (1 episode)

as Herr Schmandke (1 episode)