Patrick Sternheim (1 episode)

Eric Jäger (1 episode)

Conrad Hartmann-Kauffeld (1 episode)

Prof. Dr. Richard Ahlbeck (1 episode)

Richard Ahlbeck (1 episode)

Dr. Richard Ahlbeck (1 episode)

Claas Wanhoff

Robert Meerstein

Dr. Balthasar von Walthausen (1 episode)

Thorsten Kelmes (1 episode)

Dr. Jahn (1 episode)

Mr. Rust

Self (1 episode)

Professor Lübke (1 episode)

Wolf Rassmann (1 episode)

Oliver Wolff (2 episodes)

Herr Schuster (1 episode)

Self (1 episode)

Nico Ellermanns Sohn

Self (1 episode)

Dr. Markus Lessing (118 episodes)

Martin Rittaler (1 episode)

Dieter Weinberger (1 episode)

Robert Altmann (1 episode)

Hans

Herr Ungers

(1 episode)

Michael Stern (21 episodes)

Götz (1 episode)

Paul (1 episode)

Kommissar Paulsen (1 episode)

Udo Wohlgrebe

Thomas Brenner (39 episodes)

(1 episode)