Der rote Kreis
- Viti: 1929
- Vendi: Germany, United Kingdom
- Zhanri: Crime, Mystery
- Studio: Efzet-Film, British Sound Film Productions, British International Pictures
- Fjalen:
- Drejtori: Frederic Zelnik
- Cast: Lya Mara, Fred Louis Lerch, Stewart Rome, Albert Steinrück, John Castle, Otto Wallburg
