A Window in London is a 1940 British thriller film directed by Herbert Mason, written by Brigid Cooper and Ian Dalrymple for Greenspan & Seligman Enterprises Ltd and distributed by General Film Distributors. The cast includes Michael Redgrave, Patricia Roc, Sally Gray, Paul Lukas and Hartley Power. It is a remake of the French film Metropolitan (1939). The plot focuses on a man who becomes drawn to the wife of a jealous magician - after spotting what appears to be a murder in their flat.