Question: The World Owes Me a Living is a 1945 British Second World War drama film, it stars who,which was an English actress and playwright, widely known to be Noël Coward's muse?
Context: Gery Scott (5 October 1923 – 14 December 2005) was a jazz and cabaret entertainer and teacher, whose performing career spanned 26 countries and over 60 years.  She was noted for her powerful stage persona and engaging delivery, with material ranging from the songbooks of Cole Porter, George Gershwin, Irving Berlin, Harold Arlen, Lorenz Hart, Cy Coleman and all the "standards" as well as Noël Coward and some pop material.  Whilst she was well known to British audiences during the later part of the Second World War, she achieved most of her fame outside the UK. Cavalcade is a play by Noël Coward with songs by Coward and others.  It focuses on three decades in the life of the Marryots, a quintessential British family, and their servants, beginning in 1900 and ends on New Year's Eve in 1929 and is set against major historical events of the period, including the Relief of Mafeking; the death of Queen Victoria; the sinking of the Titanic; and World War I.  The popular songs at the time of each event were interwoven into the score. The World Owes Me a Living is a 1945 British Second World War drama film directed by Vernon Sewell and starring David Farrar and Judy Campbell.  The film is based on a novel by John Llewellyn Rhys, a young author who was killed in action in 1940 while serving in the Royal Air Force.  Its credits acknowledged the assistance and co-operation of the Air Ministry and the de Havilland Aircraft Company. The Vortex is a play in three acts by the English writer and actor Noël Coward.  The play depicts the sexual vanity of a rich, ageing beauty, her troubled relationship with her adult son, and drug abuse in British society circles after the First World War.  The son's cocaine habit is seen by many critics as a metaphor for homosexuality, then taboo in Britain.  Despite, or because of, its controversial content for the time, the play was Coward's first great commercial success. Wing Commander Gwilym Hugh Lewis {'1': ", '2': ", '3': ", '4': "} (5 August 1897 – 18 December 1996) was a British flying ace during World War I.  He was credited with 12 confirmed aerial victories.  He went on to a very successful career as an insurance broker.  Lewis was the next to last surviving British ace from the war, as well as the longest lived, dying eight months before his hundredth birthday.  His wide range of friends included Prime Minister Winston Churchill, playwright Noël Coward, and fellow aces Stan Dallas, Mick Mannock, and George McElroy. This Happy Breed is a play by Noël Coward.  It was written in 1939 but, because of the outbreak of World War II, it was not staged until 1942, when it was performed on alternating nights with another Coward play, "Present Laughter".  The two plays later alternated with Coward's "Blithe Spirit".  The title, a reference to the English people, is a phrase from John of Gaunt's monologue in Act II, Scene 1 of William Shakespeare's "Richard II". Graham Payn (25 April 1918 – 4 November 2005) was a South African-born English actor and singer, also known for being the life partner of the playwright Noël Coward.  Beginning as a boy soprano, Payn later made a career as a singer and actor in the works of Coward and others.  After Coward's death, Payn ran the Coward estate for 22 years. The Astonished Heart is a 1950 British drama film directed by Terence Fisher.  It stars Celia Johnson, Noël Coward, and Margaret Leighton, and is based on Coward's play "The Astonished Heart" from his cycle of ten plays, "". In Which We Serve is a 1942 British patriotic war film directed by Noël Coward and David Lean.  It was made during the Second World War with the assistance of the Ministry of Information. 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.
Answer: Judy Campbell