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The Invisible Visor 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.
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Thevisier was an East German television series that aired between 1973 and 1979. In the first and longest season, it starred Armin Muller-Stahl in the role of a Stasi agent.