Karl Marx City
- Curs: 2017
- País: Germany, United States of America
- Gènere: Documentary
- Estudi:
- Paraula clau: stasi, surveillance, east germany
- Director: Michael Tucker, Petra Epperlein
- Repartiment: Petra Epperlein, Christa Epperlein, Uwe Epperlein, Volker Epperlein, Udo Grashoff, Hubertus Knabe