Klaus Nierhoff

as Michael Maringer (80 episodes)

as Dominik Inauen

as Prof. Dr Walther Schneider

as Staatsanwalt Holler (1 episode)

as Paul Bechtheim

as Dr. Roland Kühlborn (1 episode)

as Rüdiger

as Klaus

as Wilhelm Jäger (1 episode)

as Kunde (1 episode)

as Dr. Penzberg (uncredited)

as Dr. Strobel

as Geschäftsmann Heid

as Gerd Schäfer (1 episode)

as Achim (5 episodes)

as Richter Harald Jahnke (1 episode)

as Barmann

as Robert Schoppe (3 episodes)

as Ernst Blotevogel (1 episode)

as Dr. Heller (1 episode)

as Stahlarbeiter (uncredited) (3 episodes)

as Polizist

as Peter May

as Alexander Messner (1 episode)

as Oberleutnant Greffenius