Der rote Kreis
- annos singulos: 1929
- Patriam: Germany, United Kingdom
- genus: Crime, Mystery
- Studio: Efzet-Film, British Sound Film Productions, British International Pictures
- keyword:
- Director: Frederic Zelnik
- cast: Lya Mara, Fred Louis Lerch, Stewart Rome, Albert Steinrück, John Castle, Otto Wallburg