as Self(1 ep)
as David
as Manuel Buchmayer(1 ep)
as Ferdinand Hochheim
as Self(1 ep)
as Self(1 ep)
as Andreas Funk
as Frank Berndssen
as Harry Goodwin(2 eps)
as Oliver Radek(150 eps)
as Rolf Schmidtbauer
as Robert von der Heyden
as Michael Schäffer
as Jacques Oberländer
as Robert
as Hannes Hogland
as Dr. Steinfurt
as Leppel
as Eric Winter
as Dr. Erik Hals
as Prof. Dr. Bieler(1 ep)
as Self(1 ep)
as Dr. Erik Hals
as Peter Schiller
as Andreas Wagner(2 eps)
as Klaus Rainer Röhl
as Self(1 ep)
as Romanus Cüpper
as Eric Winter
as Georg Stein
as Horst Bauer(2 eps)
as Benjamin 'Ben' Grönecke
as Wolfgang Breuer
as Jochen Fels(1 ep)
as Self(1 ep)
as Robert Falk
as Albrecht Sterenberg
as Dieter Baumann
as Self(1 ep)
as Self(3 eps)
as Wolfgang Kaminski
as Self(1 ep)
as Uwe Springer(2 eps)
as Von Schertell
as Jochen Wenzel
as Taschendieb
as Dr. Wilhelm Haddenhorst(2 eps)
as Josef von Sternberg
as Florian Sandvoss
as Self(6 eps)
as Martin
as Tom
as Dr. Dominik Born(49 eps)
as Martin Winter
as Viktor Dursthoff
as Self(1 ep)
as Klaus
as Self(1 ep)
as Steiner
as Mark Heller
as Ingo Mertens(1 ep)
as Robert David
as Wolfram Metz(1 ep)
as Heiner Waschinski(1 ep)
as Self(1 ep)
as Self(3 eps)
as Self(5 eps)
as Self(1 ep)
as Self(1 ep)
as Self(2 eps)
as Self(1 ep)
as Frank Preyer(1 ep)
as Michael Joswig(1 ep)
as Professor Ernst Born(1 ep)
as Buchert(1 ep)