The Invisible Visor (Das unsichtbare Visier) was an East German television series, broadcast with long intervals between 1973 and 1979. In its first and longest season it starred Armin Mueller-Stahl in the role of Werner Bredebusch, a Stasi agent active abroad under the alias Achim Detjen.

Ce synopsis est en anglais : nous ne l'avons pas encore traduit.