Laurence Fox
— Prince Charles
Olivia Poulet
— Camilla Parker-Bowles
Michelle Duncan
— Lady Diana Spencer
Richard Johnson
— Lord Mountbatten
Peter Egan
— Prince Philip
Stella McCusker
— The Queen
Hayley Atwell
— Sabrina Guinness
Andrea Riseborough
— Anna Wallace
Simon Wilson
— Andrew Parker-Bowles
Alexandra Moen
— Princess Anne
Orla O'Rourke
— Sarah Spencer
Doreen Andrew
— Queen Mother
Charlotte Bradley
— Princess Margaret
Dominic Colenso
— Prince Andrew
Freya Berry
— Fiona
Sara James
— Christabel
Lucy Brown
— Georgina
Kieran D. Gough
— Henry
Laura Murphy
— Amanda