Paul Frielinghaus

as Claas Wanhoff

as Robert Meerstein

as Prof. Dr. Richard Ahlbeck (1 episode), as Richard Ahlbeck (1 episode), as Dr. Richard Ahlbeck (1 episode)

as Mr. Rust

as Dr. Balthasar von Walthausen (1 episode)

as Patrick Sternheim (1 episode)

as Dr. Jahn (1 episode)

as Conrad Hartmann-Kauffeld (1 episode)

as Eric Jäger (1 episode)

as Thorsten Kelmes (1 episode)

as Nico Ellermanns Sohn

as Herr Schuster (1 episode)

as Self (1 episode)

as Self (1 episode)

as Hans

as Herr Ungers

as Michael Stern (21 episodes)

as Professor Lübke (1 episode)

as Robert Altmann (1 episode)

as Wolf Rassmann (1 episode), as Oliver Wolff (2 episodes)

as Kommissar Paulsen (1 episode)

as Paul (1 episode)

as Udo Wohlgrebe