William, Prince of Wales as Self

Elton John as Self

Rihanna as Self

Victor Adebowale as Self - Former Director of Centrepoint (as Lord Victor Adebowale)

Graham Dillamore as Self - Gardener of Buckingham Palace

Jayne Fincher as Self - Royal Photographer

Anna Harvey as Self - Private Stylist of the Royals

Gerard McGrath as Self - Aids Patient

William van Straubenzee as Self - Friend of Diana

Carolyn Warren as Self - Close Friend of Diana (as Lady Carolyn Warren)

Amanda Redman as Narrator (voice)

Prince Harry, Duke of Sussex as Self