That Woman Opposite

That Woman Opposite U.S. City After Midnight is a 1957 British crime drama, directed by Compton Bennett and starring Phyllis Kirk, Dan OHerlihy and William Franklyn. The screenplay, also by Bennett, was adapted from John Dickson Carrs 1942 novel The Emperors SnuffBox.

In a town on the French coast, English antiques dealer Maurice Lawes Wilfrid HydeWhite is a witness to the nighttime murder of a gendarme. The killer spots Lawes at his window, and realises he has been seen. The following evening, Lawes daughter Janice Petula Clark finds her father also murdered.An investigation is launched by the local police and a private insurance investigator Dermot Kinross OHerlihy. The initial assumption that Lawes was murdered by the gendarmes killer to prevent identification soon comes into question as several other individuals connected to Lawes are revealed to have plausible motives for the murder. ........

Source: Wikipedia