Dr. Richard Schuhmann (13 episodes, 2010)
Berger (3 episodes, 2010)
Sturmbannführer / SS-Officer
Paul Reuther (credit only)
Paul Reuther (credit only)
Dr. Robert Link / ... (3 episodes, 2001-2009)
Prof. Dr. Conrad Schroth 1 episode, 2016
Prof. Dr. Johannes Hängsberg
Charles Warren / ... (3 episodes, 1998-2009)
Daniel Overbeck (2 episodes, 1991)
Axel Murnauer / ... (4 episodes, 1981-2005)
Dieter Busche / ... (4 episodes, 1994-2000)
Hannes Liedtke / ... 2 episodes, 2017-2021