A Question of Adultery/The Case of Mrs. Loring is a 1958 film directed by Don Chaffey. It stars Julie London and Anthony Steel. The film was based on the 1948 play A Breach of Marriage by Dan Sutherland. A novelisation of the film was written by Gordon Wellesley. The controversial nature of the film led to it being given an X rating in the UK and rated "Condemned" by the US Roman Catholic Legion of Decency leading to the film being delayed for release in the USA for three years.