Jürgen Hentsch

as Eduard Ackermann

as Dr. Rohleder

as Eric

as Andreas Zumbach

as Berthold von Mahlenberg (2 episodes)

as Rudolph von Knesewitz

as Georg Hallhoff

as Lord Inchelvie

as Harry S. Truman (2 episodes)

as Walter Voss 'Der General'

as Dr. Erik Leitz

as Professor Mack

as Dr. Robert Slater

as Albin von Ganski (2 episodes)

as Herbert Wehner (2 episodes)

as King

as Edzard Meiering

as Professor Koch

as Dr. Hardenberg Senior (6 episodes)

as Walter Edel (1 episode)

as Blom / Lutz Grendler

as Heinrich Mann (3 episodes)

as Hans Zehrer

as Harry Bach

as Kalam