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

full_context: Document 1: Jane Asher: Jane Asher (born 5 April 1946) is an English actress, author and entrepreneur, who achieved early fame as a child actress, and has worked extensively in film and TV throughout her career.
Document 2: Brief Encounter: Brief Encounter is a 1945 British romantic drama film directed by David Lean about British suburban life on the eve of World War 2, centering on Laura, a married woman with children, whose conventional life becomes increasingly complicated because of a chance meeting at a railway station with a stranger, Alec. They fall in love, bringing about unexpected consequences.
Document 3: Broken Journey: Broken Journey (also known as Rescue) is a 1948 British drama film directed by Ken Annakin and featuring Phyllis Calvert, James Donald, Margot Grahame, Raymond Huntley and Guy Rolfe. The film deals with people struggling to survive after their airliner crashes on top of a mountain, and is based on a true-life accident in the Swiss Alps.
Document 4: Jane Birkin: Jane Mallory Birkin, OBE (born 14 December 1946) is an English-French actress, singer, songwriter, and model. She attained international notoriety for her decade-long musical partnership with Serge Gainsbourg, and also had a prolific career as an actress in British and French cinema.
Document 5: A Promise (2013 film): A Promise is a 2013 French drama romance film directed by Patrice Leconte and written by Patrice Leconte and Jérôme Tonnerre. The story is based on Stefan Zweig's novel "Journey into the Past" and stars Rebecca Hall, Alan Rickman, Richard Madden, and Maggie Steed. It was screened in the Special Presentation section at the 2013 Toronto International Film Festival.
Document 6: Judy Campbell: 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.
Document 7: Judy Loe: Judith Margaret "Judy" Loe (born 6 March 1947) is an English actress. She is the widow of actor Richard Beckinsale and is now married to director Roy Battersby. She is the mother of actress Kate Beckinsale, and the step-mother of Kate's half-sister Samantha.
Document 8: Missing, Believed Married: Missing, Believed Married is a 1937 British comedy film directed by John Paddy Carstairs and starring Wally Patch, Julian Vedey and Hazel Terry. It was a quota quickie made at Pinewood Studios. A young heiress is almost tricked into marriage by a fortune hunter.
Document 9: The Broken Melody (1934 film): The Broken Melody is a 1934 British musical drama film directed by Bernard Vorhaus and starring John Garrick, Margot Grahame, Merle Oberon and Austin Trevor. A composer kills his wife's lover and, having escaped from the prison on Devil's Island, returns to France and writes an opera about the experience.
Document 10: Charlotte Gainsbourg: Charlotte Lucy Gainsbourg (born 21 July 1971) is a British-French actress and singer. She is the daughter of English actress Jane Birkin and French singer and songwriter Serge Gainsbourg. After making her musical debut with her father on the song "Lemon Incest" at the age of 12, she released an album with her father at the age of 15. More than 20 years passed before she released three albums as an adult ("", "IRM" and "Stage Whisper") to commercial and critical success. Gainsbourg has also appeared in many films, including several directed by Lars von Trier, and has received both a César Award and the Cannes Film Festival Best Actress Award.
Document 11: Breakaway (1955 film): Breakaway is a 1955 British thriller film directed by Henry Cass from a script by Norman Hudis. It stars Tom Conway, Michael Balfour and Honor Blackman. A Private eye is hot on the tail of a stolen secret formula and a kidnapped young woman.
Document 12: There Goes the Bride (1932 film): There Goes the Bride is a 1932 British comedy film directed by Albert de Courville and starring Jessie Matthews, Owen Nares, Carol Goodner, Basil Radford and Roland Culver. A woman breaks off her an engagement and escapes to Paris. It is a remake of the German film "I'll Stay with You" (1931). David Niven makes his film debut in a tiny uncredited role.
Document 13: Andrew Birkin: Andrew Timothy Birkin (born 9 December 1945) is an English screenwriter, director and occasional actor. He was born the only son of Lieutenant-Commander David Birkin and his wife, actress Judy Campbell. One of his sisters is the actress and singer Jane Birkin.
Document 14: Breach of Promise (film): 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.
Document 15: Liza Campbell: Liza Campbell (born 24 September 1959 as Lady Elizabeth Campbell), is an artist, calligrapher, columnist and writer, born in the north of Scotland and currently living in London, England. She is the second daughter of Hugh Campbell, 6th Earl Cawdor (1932–1993) by his first wife, the former Cathryn Hinde. She is the last child of an Earl Cawdor to have been born at Cawdor Castle, which has previously been erroneously associated with Shakespeare's Macbeth. (Her older sister Lady Emma Campbell was also born there, but her brothers and younger sister were born elsewhere, as were the children of the present Earl.)
ground_truth: Breach of Promise