Das unsichtbare Visier (German: [das ˈʔʊnˌzɪçtbaːɐ̯ viˈziːɐ̯], The Invisible Visor) was an East German television series, broadcast between 1973 and 1979.

[1] 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.

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