as Thomas
as Enzo
as Fritz Schiller(6 eps)
as Alfred Kronau(1 ep)
as Michael
as Armin Wiesner
as Simon Berlinger
as Eduard Wolf(12 eps)
as Arnold Huber(1 ep)
as Matt(1 ep)
as Vater
as himself (voice)
as Steffen Herold(4 eps)
as Pedro
as Rolf Lech
as Thomas Bacher
as Ron
as Thomas Eick(9 eps)
as Ojciec
as Solness
as Robert Heller
as Martin
as Paul Meister
as Martin Jung
as King Ottokar
as Martin Jung
as Udo Mathias
as Martin Jung
as Oliver Maibach
as Michael Zimmermann
as Silviu Gan(1 ep)
as Tim
as Jakob
as Martin Jung
as Markus Schüttler(1 ep)
as Stephan Fürstenfeld
as Thorsten
as Christian Bergmann
as Gerald Wernecke
as Marquard Wolfens
as Martin Jung
as Harald Kopp
as Nikolas Merz
as Tom Schilling
as Peter
as Martin Meinhard(1 ep)
as Dr. Emil Steinhausen(1 ep)
as Karl Pagenburg
as Markus Tomrad
as Mosk
as Karo's Vater
as Kai Mertens(2 eps)
as Marcello Savino(1 ep)
as Prof. Martini(1 ep)
as Jans Vater
as Marco Hoffer
as Marc Maurée(1 ep)
as Alain Tavernier
as Kriminalhauptkommissar Matthias Steiner(21 eps)
as Gotthilf Braun
as Holger Rausch(1 ep)
as Peter Markwart
as Pater Benedikt(1 ep)
as Paul
as Dr. Martin Brügger
as William Heinkes(1 ep)
as Bärbacher
as Paul Dollinger(1 ep)
as Pater Pio Cavaletti(1 ep)
as Self(1 ep)
as Michael Lambert(1 ep)
as Hans-Jörg Christ(1 ep)
as Andreas Reiber(1 ep)
as Kevin Ebert(1 ep)
as Heiner Lemberg(1 ep)
as Claus Jacoby(1 ep)
as Uwe Sakowski(1 ep)
as Frank Burska(1 ep)
as Raimund Kaltenbach(1 ep)
as Klaus Maybach(1 ep)
as Rolf Wendland(1 ep)
as Dr. Marco Salimbeni(1 ep)
as Frank (Bunny 1)(1 ep)
as Nick Ritterling(1 ep)
as Leo Greedinger(1 ep)
as Richard Altpeter(1 ep)
as Ralf Cosca(1 ep)
as Rüdiger Seitz(1 ep)
as Karsten Dietz(1 ep)
as Henning Lambertz(1 ep)
as Adrian Kämmerer(1 ep)