Jenny Agutter and Michael York starred in two other films together. They were L'Âge de cristal (1976) and Le mystère des sables (1979).
Michael York and Jacqueline Bisset play a former couple, Edmund Aird and Pandora Blair. They previously played a married couple, Count Rudolf and Countess Helena Andrenyi, in Le crime de l'Orient-Express (1974).
Although Virginia McKenna plays Michael York's mother, she is less than 11 years older than him in real life.
September (1996) or Rosamunde Pilcher's September is a British television drama based on "September" written by Pilcher and adapted by Lee Langley. It was directed by Colin Bucksey and starred Jacqueline Bisset, Edward Fox, and Michael York. It was filmed at Ardmore Studios in County Wicklow, Ireland.