- Peter Simonischek
- Â Hagen Dahlberg 35 episodes, 1998-2001
- Matthias Matz
- Â Stephan Rubelli 35 episodes, 1998-2001
- Dietrich Hollinderbäumer
- Â Dr. Koch 28 episodes, 1998-2001
- Christoph M. Ohrt
- Â Karl 'Charly' von Schumann 27 episodes, 1998-2001
- Iris Junik
- Â Gina Holland 21 episodes, 2000-2001
- Doreen Jacobi
- Â Jenny Harland 14 episodes, 1998-1999
- Christoph Grunert
- Â Thorwald Fuchs 9 episodes, 1998-1999
- Joachim Kretzer
- Â Robert Becker 8 episodes, 2001
- Brigitte Karner
- Â Dr. Claudia Jokostra 7 episodes, 1998-1999
- Tilo Prückner
- Â Dr. Wiegand / ... 2 episodes, 1998-2001
- Uwe Zerbe
- Â Dr. Rolf Lang / ... 2 episodes, 2000-2001
- Sonja Kerskes
- Â Anna 1 episode, 1998
- Valeria Cavalli
- Â Karen Weiss 1 episode, 1998
- Katja Woywood
- Â Bettina Wagner 1 episode, 1998
- Hans Diehl
- Â George Bantzer 1 episode, 1998
- Bernd Michael Lade
- Â Peter Jackson 1 episode, 1998
- Rufus Beck
- Â Marcel Dante 1 episode, 1998
- Fabian Harloff
- Â Nico 1 episode, 1998
- Nikolaus Paryla
- Â Prof. Thomson 1 episode, 1998
- Herbert Fritsch
- Â Leo Gentz 1 episode, 1998
- Jean-Pierre Bouvier
- Â Paul Caitano 1 episode, 1998
- Edda Leesch
- Â Florence 1 episode, 1998
- Rudolf Bissegger
- Â Nikolai Borodin 1 episode, 1998
- Sylvia Rohrer
- Â Daniela 1 episode, 1998
- Max Tidof
- Â Ronald Berger 1 episode, 1999
- Erwin Leder
- Â Carl Novak 1 episode, 2000
- Eleonore Weisgerber
- Â Elisabeth Wang 1 episode, 2000
- Silke Matthias
- Â Petra Bender 1 episode, 2000
- Yves Beneyton
- Â Jonny Weisberg 1 episode, 2000
- Simona Cavallari
- Â Angelina Marone 1 episode, 2000
- Thomas Limpinsel
-  Kapitän Franzen 1 episode, 2000
- Oscar Ortega Sánchez
- Â Alfons Renz 1 episode, 2000
- Paul Faßnacht
- Â Richard Tidorf 1 episode, 2000
- Frank-Michael Köbe
- Â Berndt Stoltz 1 episode, 2000
- Hannes Hellmann
- Â Larsen 1 episode, 2000
- Jörg Gudzuhn
- Â Viktor Dostal 1 episode, 2000
- Anne Roussel
- Â Ellen Krug 1 episode, 2001
- Tina Bordihn
- Â Pia Brandt 1 episode, 2001
- André Hennicke
- Â Marcos 1 episode, 1998
- Bernd Stegemann
- Â Scheffer 1 episode, 1998
- Tobias Hoesl
- Â Christoph Eisfeld 1 episode, 1998
- Karl Kranzkowski
- Â Leon 1 episode, 1998
- Udo Kroschwald
- Â Orloff 1 episode, 1998
- Franziska Petri
- Â Ellen Winter 1 episode, 1998
- Frank-Leo Schröder
- Â Markus Krenz 1 episode, 1998
- Dieter Mann
- Â Fischer 1 episode, 1998
- Gerd Wameling
- Â Pfarrer Gregor 1 episode, 1998
- Werner Karle Jr.
- Â Brian Schumacher 1 episode, 1998
- Arno Reckers
-  Grünberg 1 episode, 1998
- Felix Bresser
- Â Peter Weiss 1 episode, 1998
- Michael Brandner
-  Dr. Jürgen Tollmann 1 episode, 2000
- Annett Renneberg
- Â Caroline Stern 1 episode, 2000
- Max Volkert Martens
- Â Paul Fellkert 1 episode, 2000
- Tanya Neufeldt
- Â Anna Franzen 1 episode, 2000
- Vladimir Weigl
- Â Serge Brodsky 1 episode, 2000
- Anna Maria Ondra
- Â Steffi 1 episode, 2000
- Thomas Arnold
- Â Boris Veith 1 episode, 2001
- Hans-Martin Stier
- Â Ernst Kessler 1 episode, 2001
- Ill-Young Kim
- Â Ryuchi 1 episode, 2001
- Heidrun Gärtner
- Â Mara Tresko 1 episode, 2001
- Claudius Freyer
- Â Oliver Neveling 1 episode, 2001
- Michael Deffert
- Â Mirko Bergmann 1 episode, 2001
- Nikolaus Neureiter
- Â Martin Semmler 1 episode, 2001
- Emilio De Marchi
- Â Raoul Hessler 1 episode, 1998
- Rolf Kanies
- Â Jean-Francois Breytenbach 1 episode, 1998
- Holger Hauer
- Â Nobel 1 episode, 1998
- Rüdiger Wandel
- Â Kurt Lehmann 1 episode, 1998
- Nikolas Lansky
- Â George Kostakis 1 episode, 1998
- Thomas Bestvater
- Â Keller 1 episode, 1998
- Wolfgang Kühne
- Â Fessner 1 episode, 1998
- Udo Schenk
- Â Gerstenberg 1 episode, 2000
- Victor Schefé
- Â Markus von Stollberg 1 episode, 2000
- Alexander Held
- Â Bert Nitschke 1 episode, 2000
- Thierry van Werveke
- Â Kroll 1 episode, 2000
- Tabea Tiesler
- Â Lisa Sommer 1 episode, 2000
- Johannes Nikolussi
- Â Santos 1 episode, 2000
- Veit Schubert
- Â Frank Fuchs 1 episode, 2000
- Friderikke Maria Hörbe
- Â Alexandra 1 episode, 2000
- Toyo Tanaka
- Â Henry Wang 1 episode, 2000
- Rainer Winkelvoss
- Â Berger 1 episode, 2000
- Joachim Paul Assböck
- Â Leon 1 episode, 2001
- Holger Handtke
- Â Hector 1 episode, 2001
- Oliver Bröcker
- Â Markus Veith 1 episode, 2001
- Anette Hellwig
- Â Jeanette Kaufmann 1 episode, 2001
- Wolfgang Häntsch
- Â Bernd Stiller 1 episode, 2001
- Dirk Nocker
- Â Heiner Schmitz 1 episode, 2001
- Georg Prang
- Â Ralf Ruland 1 episode, 2001
- Sungnam Choi
- Â Ryuchis Vater Akira 1 episode, 2001
- Veit Stübner
- Â Hauser 1 episode, 1998
- Christian Tasche
- Â Werner Kerbel 1 episode, 1998
- Lutz Herkenrath
- Â falscher Lehmann 1 episode, 1998
- Wolfram Teufel
- Â Norman 1 episode, 1998
- Boris Ponev
-  Körner 1 episode, 1998
- Regula Kukula
- Â Stewardess Corinna 1 episode, 1998
- Fritz von Friedl
- Â Dr. Weber 1 episode, 1999
- Franziska Troegner
- Â Krankenschwester 1 episode, 2000
- Clelia Sarto
- Â Rafaela Corbucci 1 episode, 2000
- Christian Rudolf
- Â Renaldo 1 episode, 2000
- Anton Rattinger
- Â Albert Pechstein 1 episode, 2000
- Maverick Quek
- Â Teddy Leung 1 episode, 2000
- Gerry Jochum
- Â Henk 1 episode, 2000
- Matthias Dittmer
- Â Philip Sachs 1 episode, 2000
- Francis Fulton-Smith
- Â Blossfeld 1 episode, 2001
- Florian Panzner
-  Mäx Hartmann 1 episode, 2001
- Hans Georg Panczak
- Â Wilke 1 episode, 2001
- Mario Irrek
- Â Atze 1 episode, 2001
- Holger Kunkel
- Â Crazy George 1 episode, 2001
- Armin Dillenberger
- Â Axel 1 episode, 2001
- Johannes Hitzblech
- Â Markus Krenz 1 episode, 2001
- Harald Effenberg
- Â Dr. ClauÃen 1 episode, 2001
- Michael Hornig
- Â Major Schulze 1 episode, 2001
- Gerd Baltus
-  Staatssekretär Boll 1 episode, 1998
- Ronald Nitschke
- Â Frank Arnau 1 episode, 1998
- Slaheddine Ben Saad
- Â Said Ben Aslan 1 episode, 1998
- Marcel Ickler
- Â Netzpirat #1 1 episode, 1998
- Thorsten Waligura
- Â Oberst Redl 1 episode, 1998
- Jef Bayonne
- Â Frederic Sanglot 1 episode, 1998
- Jackie Hardt
- Â Sonia Bach 1 episode, 1999
- Saskia Valencia
- Â Karin 1 episode, 2000
- Andreas Mannkopff
- Â Gerstenbergs Partner 1 episode, 2000
- Shalin-Tanita Rogall
- Â Katrin Franzen 1 episode, 2000
- Rainer Philippi
- Â Leiter Flugsicherung 1 episode, 2000
- Mey Lan Chao
- Â Nancy 1 episode, 2000
- Oliver Feld
- Â Spider 1 episode, 2000
- Antonio Putignano
- Â Giovanni Bracco 1 episode, 2000
- Jörg Zufall
- Â Controller 1 episode, 2000
- Drago Ragutin
- Â Anatol Corbucci 1 episode, 2000
- Christian Schulz
- Â Joachim Kraatz 1 episode, 2000
- Heribert Czerniak
- Â Stallknecht 1 episode, 2000
- Dan van Husen
- Â Ivan Tarkov 1 episode, 2001
- Thomas Huber
- Â Thimo Throning 1 episode, 2001
- Joachim Raaf
- Â Jo Brandt 1 episode, 2001
- Patrick Pinheiro
- Â Erwin Martens 1 episode, 2001
- Claudia Theresa Muench
- Â Dr. Waldheim 1 episode, 2001
- Dieter Wien
- Â Armin Nussbaum 1 episode, 2001
- Gerhard Haase-Hindenberg
- Â Hektor Kaufmann 1 episode, 2001
- Maxi Mari Duck
- Â Adrienne Veith 1 episode, 2001
- Cengiz Koz
- Â Igor 1 episode, 2001
- Christian Erdmann
- Â Netzpirat #2 1 episode, 1998
- Antje von der Ahe
- Â Passagierin 1 episode, 1998
- Axel Neumann
- Â Kirst 1 episode, 1998
- Ludwig Hollburg
- Â Dieter Messner 1 episode, 1998
- Wolfgang Winkler
-  Max Hübner 1 episode, 2000
- Klaus Schindler
- Â Prof. Therio 1 episode, 2000
- Frank-Otto Schenk
- Â Gerichtsmediziner 1 episode, 2000
- Benito Sambo
- Â Tony Wang 1 episode, 2000
- Misel Maticevic
- Â Menzel 1 episode, 2001
- Maria Simon
- Â Sabine Virchow 1 episode, 2001
- Juraj Kukura
- Â Van Houten 1 episode, 2001
- Peer Jäger
-  Günther Throning 1 episode, 2001
- Gennadi Vengerov
- Â Sergej Romanow 1 episode, 2001
- Robert Mika
- Â Puschkin Oblomow 1 episode, 2001
- Carmen-Maja Antoni
- Â Nachbarin 1 episode, 1998
- Thomas Lawinky
- Â Passagier 1 episode, 1998
- Susanne Eisenkolb
-  Sekretärin 1 episode, 1998
- Boris Bianchi-Pastori
- Â Pille 1 episode, 1998
- Steffen Münster
- Â Terence 1 episode, 2000
- Christine Harbort
- Â Beate Schulz 1 episode, 2000
- Adele Landauer
- Â Frau Bellbrock 1 episode, 2000
- Fatih Alas
- Â Micha 1 episode, 2000
- Joachim Baum
- Â Penner 1 episode, 2000
- Clemens Schick
- Â Aaron Ludwig 1 episode, 2001
- Stephan Kuno
- Â Blossfelds Mann 1 episode, 2001
- Uwe Jellinek
- Â Gerd Kallweit 1 episode, 1998
- Gabriele Völsch
- Â Krankenschwester 1 episode, 2000
- Susanne Sachße
- Â Sunny Veith 1 episode, 2001
- Detlef Leistenschneider
- Â DJ 1 episode, 2000
- Werner Daehn
- Â Sniper (uncredited) 1 episode, 1998
- Matthias Bullach
- Â Major Brauer (uncredited) 1 episode, 1998
- Wolfgang Krewe
- Â Polizist Timo (uncredited) 1 episode, 1998
- Horst Westphal
- Â Wachtmeister (uncredited) 1 episode, 1998
- Judith Steinhäuser
- Â Prostituierte (uncredited) 1 episode, 1998
- Jürgen Trott
-  Förster (uncredited) 1 episode, 1998
- Jurij Kramer
- Â Karl Mendel (uncredited) 1 episode, 1998
- Matthias Zelic
-  Geschäftsführer (uncredited) 1 episode, 1998
- Chajim Koenigshofen
- Â Sontheim (uncredited) 1 episode, 1998
- Detlef Bothe
- Â Ringo (uncredited) 1 episode, 2000
- Margarita Broich
- Â Katja (uncredited) 1 episode, 2000
- Henning Peker
- Â Ricky (uncredited) 1 episode, 2000
- Heike Warmuth
- Â Maren (uncredited) 1 episode, 2000
- Dietmar Huhn
- Â LKW-Fahrer (uncredited) 1 episode, 2000
- Tilo Keiner
- Â Simon (uncredited) 1 episode, 2000
- Peter Wohlfeil
- Â Ingenieur (uncredited) 1 episode, 2000
- Günter Junghans
- Â Konrad Katzer (uncredited) 1 episode, 2000
- Rike Eckermann
- Â Ute Jacoby (uncredited) 1 episode, 2000
- Thomas Grünholz
- Â Pilot (uncredited) 1 episode, 2000
- Dan Hougesen
- Â Self (uncredited) 1 episode, 2000
- Torsten Stoll
- Â Pilot (uncredited) 1 episode, 2000
- Gerd Preusche
- Â Hafenverwalter (uncredited) 1 episode, 2000
- Tom Lindby
- Â Self (uncredited) 1 episode, 2000
- Sune Thorbjørnsen
- Â Self (uncredited) 1 episode, 2000
- Heiko Schendel
- Â Raver (uncredited) 1 episode, 2000
- Magdalena Ackermann
- Â Nadja (uncredited) 1 episode, 2000
- Werner Zwosta
- Â Co-Pilot (uncredited) 1 episode, 2000
- Bo Christensen
- Â Self (uncredited) 1 episode, 2000
- Ulli Lothmanns
- Â Museumsdirektor (uncredited) 1 episode, 2000
- Oliver Bigalke
- Â Gangster #1 (uncredited) 1 episode, 2001
- Anja Schiller
-  Chamäleon (uncredited) 1 episode, 2001
- Chrissy Schulz
- Â Elena (uncredited) 1 episode, 2001
- Ulrich Simontowitz
- Â Lutter (uncredited) 1 episode, 2001
- Iris Radunz
- Â Analystin (uncredited) 1 episode, 2001
- Stefan Mehren
- Â Arzt (uncredited) 1 episode, 2001
- Hans Klima
- Â Pfleger (uncredited) 1 episode, 2001
- Lutz Lansemann
- Â RA Ernst Winter (uncredited) 1 episode, 2001
- Marian Wolf
-  Manfred Niemöller (uncredited) 1 episode, 2001
- Katrin Heller
- Â Eva Krenz (uncredited) 1 episode, 2001
- Christian Bormann
- Â Ermittler (uncredited) 1 episode, 2001
- Christoph Jungmann
-  Autohändler (uncredited) 1 episode, 2001
- Gabriele Leidloff
- Â Journalistin (uncredited) 1 episode, 2001
- Günter Zschäckel
- Â Penner (uncredited) 1 episode, 2001
- Axel Gottschick
- Â Prof. Bachmann (uncredited) 1 episode, 2001