• 
  William Humble

  scenarist

• 
  Hayley Atwell

  Sabrina Guinness
• 
  Peter Egan

  Prince Phillip
• 
  Laurence Fox

  Printul Charles
• 
  Olivia Poulet

  Camilla Parker-Bowles
• 
  Simon Wilson

  Andrew Parker-Bowles
• 
  Andrea Riseborough

  Anna Wallace
• 
  Lucy Brown

  Georgina

• 
  Michelle Duncan

  Lady Diana Spencer
• 
  Orla O'Rourke

  Sarah Spencer
• 
  Sara James

  Christabel