Shadow of the Past (also known as Lady in Black) is a 1950 British crime film directed by Mario Zampi and starring Joyce Howard, Terence Morgan, and Michael Medwin. The screenplay, by Aldo De Benedetti and Ian Stuart Black, involves a man who catches sight of a woman believed by everyone to be dead.

Plot

In an apartment unused for two years, John Harding sees a mysterious woman dressed in black. He later discovers that the woman looks identical to the apartment owner's wife, thought to have died in a car accident. It transpires that she is in fact the late wife's sister, and tha the wife had not died in an accident: she was murdered by her husband.