as Peter Lohr
as Stefan Neumann
as Theodor Billroth
as Anwalt Hölzle
as Mayor of Bonn
as Gerald Winter(1 ep)
as Chief Physician
as Herr Wilms
as Falko Hegewald(1 ep)
as Schafzüchter
as Bruno Hembach(1 ep)
as Wirt
as Siegmar König(1 ep)
as Johann Waal(1 ep)
as Professor
as Norbert Schümm(1 ep)
as Schüppe
as Peter Gerlach(1 ep)
as Mike
as Karlheinz Wolf
as Theo Euler(1 ep)
as Lüttjens
as Spurensicherer
as Büffel(1 ep)
as Lutz Kowalski(1 ep)
as Förster
as Homeless Man
as Karl-Heinz „Kalle“ Westphal(111 eps)
as Arzt
as TÜV Engineer(1 ep)
as Herr Möller(1 ep)
as Marc Holm
as Schiedsrichter
as Kriminaloberkommissar Klaus Frings(24 eps)
as Harald Tönnsen(1 ep)
as Klaus Kortner(1 ep)
as Therapeut
as Paul Niehaus
as Boss(10 eps)
as Gunnar
as Herr Müller
as Friebel(1 ep)
as Pauls Vater(1 ep)
as Harry Wegmann(1 ep)
as Policeman
as Paul Amann(1 ep)
as M. Finkenbacher
as Fahnder
as Friend
as Manfred Muckenbach(8 eps)
as Max Terheusen
as Harald
as Mats Weber(1 ep)
as Manuel Alberz(1 ep)
as Bernd Massenbach(1 ep)
as Richter Klaus Voss(1 ep)
as Bert
as Martin Wiemer(1 ep)
as Heiner Biermann(1 ep)
as Tierheimwärter(1 ep)
as Busmann
as Jörg Simoneit(1 ep)
as Manni Delling(117 eps)
as Benni(1 ep)
as Handwerker(1 ep)
as Lillig(1 ep)
as Schumann(1 ep)
as Polizist(1 ep)
as Vater Hucky(1 ep)
as Guido Kroppeck(1 ep)
as Münch(1 ep)
as Karl de Mestre(1 ep)