Christoph Grunert

(1 episode) as Prof. Dr. Holzmann

(40 episodes) as Polizeihauptkommissar Wolf Malletzke

as Gonzalo

(1 episode) as Jacob Theissen

(1 episode) as Ulf Riggert

as Herr Poschinger

(1 episode) as Chris

(1 episode) as Holger Kampmann

as Peter Brandt

(1 episode) as Self

(1 episode) as Jochen Hoffmann

(1 episode) as Martin Leistner

(2 episodes) as David Wagner

(1 episode) as Mark Behrens

(1 episode) as Benno Wosniak

as Johannes Sander

as August Achenbach

(1 episode) as Thorsten Ahrberg

as Tom

as Michael Waiser

(1 episode) as Bernd Koschwitz

(1 episode) as Hendrik Smolke

(1 episode) as Thilo Adler

(1 episode) as Dr. Jan Petersen

as Timothy 'Tim' Deveraux

as Siegfried

(1 episode) as Fred Sandmann

as Oberkommissar Rene Rachow

(1 episode) as Philipp Henke

(1 episode) as Philipp Brunner

as Blume

as Francis Jacobs

as Andreas Kohler

(1 episode) as Erik

(1 episode) as Dr. Pavel Adamski

(1 episode) as Eugen Borsig

(1 episode) as Klaus Münz

(1 episode) as Rainer Jacobi

(1 episode) as Harald Borsdorf

(1 episode) as Simon Sirera

(10 episodes) as Benno Hoffmann

(1 episode) as Maximilian Bötsch

(1 episode) as Hermann Gross

(1 episode) as Nils Wiberg

(1 episode) as Andi Dehler

(1 episode) as Hubertus Brüggemann

(1 episode) as Rolf Thieme

(1 episode) as Cord Lehmann

(1 episode) as Frank Hoppe

as Markus Ulrich

as Heiko Brand

(1 episode) as Philipp von Preitz

(1 episode) as Florian Cremer

(1 episode) as Leo Gerlach

(1 episode) as Christian Strehler

(4 episodes) as Ronnie Bischoff

as Alexander von Wildberg-Reutlingen

as Michael Lutter

(1 episode) as Holger Peters

(1 episode) as Phillip Görlitz

(1 episode) as Hagen Stankowsky

(1 episode) as Gerd Steinhoff

(1 episode) as Dr. Peter Koch

as Lars Brebeck

(1 episode) as Frank Behring

(2 episodes) as Thorwald Fuchs

(1 episode)

(1 episode) as Ben Schlösser

(1 episode) as Axel Sudor

(1 episode) as Köster

(1 episode) as Herr Köhler

(1 episode) as Uli Reuter

(1 episode) as Reinhard Polke

(1 episode) as Lukas

(1 episode) as Kommissar Breuer

(1 episode) as Martin Schenker

(1 episode) as Wolfgang Zimmerer