KLK Calling PTZ – The Red Orchestra (1971)
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.
- Release Date: 1971-03-25
- Runtime: 2h 58min
- Production Company: DEFA-Studio für Spielfilme
- Production Country: East Germany
- Director: Horst E. Brandt
