KLK Calling PTZ – The Red Orchestra
- Cast: Horst Drinda, Irma Münch, Horst Schulze, Barbara Adolph, Klaus Piontek
- Duration: 178 minutes
- Genre: Drama, History
- Rating: 9.5/10
- Release Date: 1971-03-25
East German film about the history of Red Orchestra, a real life German pro-Soviet spy ring created after the rise of Hitler that turned into a resistance movement led by a leftist Nazi officer, Harro Schulze-Boysen, and Arvid Harnack.
