Question: In what 1942 British romance film did actress/singer Jane Birkin's mother star in?

Related documents: [0]  [DOC] Judy Campbell (born Judith Mary Gamble; 31 May 1916 – 6 June 2004) was an English actress and playwright, widely known to be Noël Coward's muse. Her daughter is the actress and singer Jane Birkin, her son the screenwriter and director Andrew Birkin, and among her grandchildren are the actresses Charlotte Gainsbourg and Lou Doillon, the late poet Anno Birkin, the artist David Birkin and the late photographer Kate Barry. [END] 
[1]  [DOC] Breach of Promise is a 1942 British romance film directed by Harold Huth and starring Clive Brook, Judy Campbell, C.V. France, Marguerite Allan and Percy Walsh. A playwright meets a young woman and she soon files a fake breach of promise action against him, hoping to receive a blackmail payment. Instead he decides to marry her to teach her a lesson. [END]  
Answer: Breach of Promise
Breach of Promise