Vampires of Warsaw (1925)
Vampires of Warsaw (Polish:Wampiry Warszawy) is a 1925 Polish silent crime film directed by Wiktor Bieganski and starring Oktawian Kaczanowski, Halina Labedzka and Maria Balcerkiewiczówna. It was Bieganski's most popular film, and displayed the influence of Soviet cinema on his work.
More at Wikipedia.