Diana: Her True Story: Cast Rate: –☹️ Very Bad🙁 Bad😐 Average🙂 Good😃 Excellent🤩 Super! ★ Save Rating✔ Rating Saved! Notify me: –about new episodeabout new seasonabout end of season Subscribe✔ Subscription Saved! Diana: Her True Story Drama, Romance United Kingdom GeneralEpisodesCastCharactersGallery Cast See full cast → Serena Scott Thomas as Princess Diana Serena Scott Thomas as Princess Diana David Threlfall as Prince Charles David Threlfall as Prince Charles Elizabeth Garvie as Camilla Parker-Bowles Donald Douglas as Prince Philip Jemma Redgrave as Carolyn Bartholomew Jeremy Child as Alfred Drake-Kinney William Franklyn as Lord Mountbatten Jean Anderson as Lady Fermoy Anne Stallybrass as Queen Elizabeth II Belle Connor as Diana Spencer (aged 6) Tracy Hardwick as Sarah Ferguson Aletta Lawson as Princess Anne Helen Masters as Sarah Spencer Gabrielle Blunt as The Queen Mother Christopher Bowen as James Gilbey