The movie magazine picture cut out and taped to the wall is Robert Taylor.
Claire Foy (Lady Persephone Towyn) & Ed Stoppard (Sir Hallam Holland) also worked together on The Crown (2016) as Queen Elizabeth II & Tony Longdon respectively.
Claire Foy (Lady Persephone Towyn) & Eileen Atkins (Maud, Lady Holland) also worked together on The Crown (2016) as Queen Elizabeth II & Queen Mary respectively.