When the Mills are Running () is a 1956 Swedish film directed by Bengt Järrel and starring Edvard Persson, Ingeborg Nyberg and Börje Mellvig. It was shot at the Sundbyberg Studios in Stockholm and on location in the Netherlands. The film's sets were designed by the art director Arne àkermark.
This was the last film that Edvard Persson appeared in.