James Norton Sidney Chambers Actor Robson Green Geordie Keating Actor Morven Christie Amanda Hopkins Actor Tessa Peake-Jones Mrs Chapman Actor Kacey Ainsworth Cathy Keating Actor Al Weaver Leonard Finch Actor Pheline Roggan Hildegard Staunton Actor Tom Brittney Will Davenport Actor Christiana Ebohon Green Director Richard Cookson Producer Jake Riddell Writer John Lunn Music Catherine Creed Film Editor Emma Kingsman-Lloyd Executive Producer Daisy Coulam Executive Producer Rebecca Eaton Executive Producer