Once a great beauty, Lady Brockenhurst hides her private sadness behind a carapace of good breeding and a degree of aristocratic hauteur, which feeds her sense of superiority. A clever woman, and a talented artist, she shows strength and fortitude in adversity, forming unusual alliances to protect those she loves.

Dame Harriet Walter is an acclaimed British actress, with a rich body of work spanning across film, theatre and television. Harriet’s recent film credits include Rocketman, My Dinner with Hervé, The Sense of an Ending, and Denial. Her other notable film credits include the Oscar-winning Atonement, Babel,’Mindhorn and Sense and Sensibility. Harriet has also had roles in some of the most well-loved television series of recent years, including The Crown and Downton Abbey. She most recently featured in Succession for HBO, Patrick Melrose for Showtime/Sky Atlantic and The End for Sky. Harriet is currently filming a lead in the next season of Killing Eve. Harriet is a seasoned theatre actor, having appeared in a number of productions with the Royal Shakespeare Company. In 2018, Harriet starred in The Tempest, Henry IV and Julius Caesar as part of ‘The Donmar Warehouse’s All-Female Shakespeare Trilogy’, which was also broadcast on the BBC in the UK, and on PBS in US. Walter has published four books and was appointed as a Commander of the Most Excellent Order of the British Empire in 2000 and in 2011 she was made a Dame.