Peter Morgan Creator, Executive Producer, Writer Imelda Staunton Queen Elizabeth II Actor Jonathan Pryce Prince Philip, Duke of Edinburgh Actor Lesley Manville Princess Margaret, Countess of Snowdon Actor Dominic West Prince Charles Actor Elizabeth Debicki Diana, Princess of Wales Actor Claudia Harrison Princess Anne Actor Olivia Williams Camilla Parker Bowles Actor Bertie Carvel Tony Blair Actor Salim Dau Mohamed Al Fayed Actor Khalid Abdalla Dodi Fayed Actor Rufas Kampa Young Prince William Actor Fflyn Edwards Young Prince Harry Actor Ed McVey Prince William Actor Luther Ford Prince Harry Actor Meg Bellamy Kate Middleton Actor Suzanne Mackie Executive Producer Andy Harries Executive Producer Stephen Daldry Executive Producer Matthew Byam-Shaw Executive Producer Robert Fox Executive Producer Alex Gabassi Director Meriel Sheibani-Clare Writer