The Captive Heart is a 1946 British war drama, directed by Basil Dearden and starring Michael Redgrave. It is about a Czechoslovak Army officer who is captured in the Fall of France and spends five years as a prisoner of war, during which time he forms a long-distance relationship with the widow of a British Army officer. The film was entered into the 1946 Cannes Film Festival.The film is partly based on the true story of a Czechoslovak officer in the RAF Volunteer Reserve, Josef Bryks MBE, and his relationship with a British WAAF, Gertrude Dellar, who was the widow of an RAF pilot.