KLK Calling PTZ – The Red Orchestra

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.

Cast: Horst Drinda, Irma Münch, Horst Schulze, Barbara Adolph, Klaus Piontek, Jutta Wachowiak