Guest Stars Raquel Cassidy as Phyllis Baxter Samantha Bond as Lady Rosamund Painswick Douglas Reith as Richard "Dickie" Grey, Lord Merton Tom Cullen as Anthony Foyle, Lord Gillingham Andrew Scarborough as Tim Drewe Julian Ovenden as Charles Blake Daisy Lewis as Sarah Bunting Shirley MacLaine as Martha Levinson Patrick Kennedy as Terence Sampson Janet Montgomery as Freda Dudley Ward Poppy Drayton as Madeleine Allsopp Paul Giamatti as Harold Levinson James Fox as William Allsopp, Lord Aysgarth Guy Williams as King George V Alastair Bruce as Lord Chamberlain Michael Benz as Ethan Slade Oliver Dimsdale as David, Prince of Wales Pete Lee-Wilson as Porter Uncredited Scott Plumridge as Waiter Anthony Milton as Club Guest Dancer Evie Wray as Lady Gemma Rourke as Lady Jane Radcliffe Valerie Dane as Queen Mary Christopher Cowlin as Yeoman of the Guard