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