Dave Moore Director Joely Richardson Wallis Simpson Actor Stephen Campbell Moore Edward Actor Miriam Margolyes Aunt Bessie Actor David Calder Winston Churchill Actor Monica Dolan Elizabeth Actor Margaret Tyzack Queen Mary Actor Bill Champion Bertie Actor Clifford Rose King George V Actor Skaidre Dudenaite Actor Gabriele Bieliauskaite Actor Sarah Williams Writer Mark Pybus Producer George Faber Executive Producer Charles Pattinson Executive Producer