Stefan Neumann

Johann Waal (1 episode)

Anwalt Hölzle

Falko Hegewald (1 episode)

Mayor of Bonn

Dr. Sommer

Herr Wilms

Bruno Hembach (1 episode)

Lutz Kowalski (1 episode)

Theo Euler (1 episode)

Büffel (1 episode)

Wirt

Peter Gerlach (1 episode)

Siegmar König (1 episode)

Norbert Schümm (1 episode)

(1 episode)

Professor

Herr Möller (1 episode)

Mike

Karlheinz Wolf

Lüttjens

Spurensicherer

Schumann (1 episode)

Harald Tönnsen (1 episode)

Klaus Kortner (1 episode)

Förster

Homeless Man

Karl-Heinz „Kalle“ Westphal (111 episodes)

Arzt

TÜV-Ingenieur (1 episode)

Marc Holm

Schiedsrichter

Kriminaloberkommissar Klaus Frings (24 episodes)

Paul Amann (1 episode)

Therapeut

Paul Niehaus

Friebel (1 episode)

Boss (10 episodes)

Harry Wegmann (1 episode)

Gunnar

(1 episode)

Martin Wiemer (1 episode)

Herr Müller

(1 episode)

Pauls Vater (1 episode)

Policeman

Heiner Biermann (1 episode)

Münch (1 episode)

M. Finkenbacher

Fahnder

Karl de Mestre (1 episode)

Friend

Manfred Muckenbach (8 episodes)

Max Terheusen

Harald

Mats Weber (1 episode)

Manuel Alberz (1 episode)

Bernd Massenbach (1 episode)

Richter Klaus Voss (1 episode)

Jörg Simoneit (1 episode)

Guido Kroppeck (1 episode)

Vater Hucky (1 episode)

Tierheimwärter (1 episode)

Busmann

Polizist (1 episode)

Manni Delling (117 episodes)

Benni (1 episode)

Handwerker (1 episode)

Lillig (1 episode)