When the Cock Crows (German: Wenn der Hahn kräht) is a 1936 German comedy film directed by Carl Froelich and starring Heinrich George, Hans Brausewetter and Marianne Hoppe. It was shot at the National Studios in Berlin. The film's sets were designed by the art directors Walter Haag and Franz Schroedter. It is based on a folk play of the same title by August Hinrichs.
Lena, the daughter of the grouchy mayor in a rural village in Northern Germany, is in love with Peter, a young veterinarian. However, her parents are against the match as she has already been promised to another man who is due to inherit a farm. He is in turn courted by Marie, a woman who has recently arrived in the area.