as Security Expert(1 ep)
as Prof. Dr. Holzmann(1 ep)
as Polizeihauptkommissar Wolf Malletzke(40 eps)
as Jürgen Wehkamp(1 ep)
as Gonzalo(1 ep)
as Jacob Theissen(1 ep)
as Ulf Riggert(1 ep)
as Herr Poschinger
as Holger Kampmann(1 ep)
as Chris(1 ep)
as Self(1 ep)
as Peter Brandt
as David Wagner(2 eps)
as Jochen Hoffmann(1 ep)
as Martin Leistner(1 ep)
as Mark Behrens(1 ep)
as Benno Wosniak(1 ep)
as August Achenbach
as Johannes Sander
as Thorsten Ahrberg(1 ep)
as Michael Waiser
as Thilo Adler(1 ep)
as Dr. Jan Petersen(1 ep)
as Bernd Koschwitz(1 ep)
as Hendrik Smolke(1 ep)
as Fred Sandmann(1 ep)
as Siegfried
as Timothy 'Tim' Deveraux
as Oberkommissar Rene Rachow
as Philipp Henke(1 ep)
as Philipp Brunner(1 ep)
as Francis Jacobs
as Blume
as Andreas Kohler
as Erik(1 ep)
as Pavel Adamski(1 ep)
as Klaus Münz(1 ep)
as Eugen Borsig(1 ep)
as Rainer Jacobi(1 ep)
as Harald Borsdorf(1 ep)
as Simon Sirera(1 ep)
as Benno Hoffmann(10 eps)
as Maximilian Bötsch(1 ep)
as Andi Dehler(1 ep)
as Hermann Gross(1 ep)
as Nils Wiberg(1 ep)
as Hubertus Brüggemann(1 ep)
as Rolf Thieme(1 ep)
as Cord Lehmann(1 ep)
as Frank Hoppe(1 ep)
as Markus Hensch(1 ep)
as Ronnie Bischoff(4 eps)
as Philipp von Preitz(1 ep)
as Florian Cremer(1 ep)
as Leo Gerlach(1 ep)
as Christian Strehler(1 ep)
as Markus Ulrich
as Heiko Brand
as Holger Peters(1 ep)
as Michael Lutter
as Phillip Görlitz(1 ep)
as Hagen Stankowsky(1 ep)
as Gerd Steinhoff(1 ep)
as Dr. Peter Koch(1 ep)
as Alexander von Wildberg-Reutlingen
as Lars Brebeck
as Thorwald Fuchs(2 eps)
as Frank Behring(1 ep)
as Ben Schlösser(1 ep)
as Axel Sudor(1 ep)
as Köster(1 ep)
as Herr Köhler(1 ep)
as Uli Reuter(1 ep)
as Reinhard Polke(1 ep)
as Lukas(1 ep)
as Kommissar Breuer(1 ep)
as Martin Schenker(1 ep)
as Wolfgang Zimmerer(1 ep)