Die eiserne Festung
- annos singulos: 1977
- Patriam: East Germany
- genus: Documentary
- Studio: Studio H&S
- keyword:
- Director: Walter Heynowski, Gerhard Scheumann
- cast: Gerhard Scheumann, Gert Grasse, Klaus Ackermann, Heinz Behrens, Monica Bielenstein, Victor Deiß
