Guest Stars Caroline O'Neill as Win Thursday Abigail Thaw as Dorothea Frazil Sara Vickers as Joan Thursday Jack Bannon as Sam Thursday Shvorne Marks as Monica Hicks Anya Taylor-Joy as Philippa Collins-Davidson Daniel Ings as Terence Black Simon Kunz as DI Bart Church Maya Gerber as Stephanie Hackett Ian Peck as Ossie Lloyd Struan Rodger as Wilf Karswell Nell Tiger Free as Bunty Glossop Lucy Boynton as Petra Briers Lynn Farleigh as Tabby Gardiner Desmond Barrit as Stephen Fitzowen Eleanor Northcott as Maud Ashenden Susy Kane as Miss Victoria Danby Imogen Gurney as Edwina Parrish Thomas Arnold as Cendree Wyvern Michael J. Shannon as Nahum Gardiner Diane Fletcher as Miss Bronwen Symes Emily Warren as Shelly Thengardi Eve Perry as Antonia Lockwood Kate Lamb as Daisy Weiss Tom Prior as Billy Karswell Uncredited Colin Dexter as Visitor at Museum
