| Episode credited cast: |
 | Philip Jackson | - | Himself - Narrator (voice) |
| Rest of cast listed alphabetically: |
 | Ray Bellisario | - | Himself (archive footage) |
| Reginald Davis | - | Himself - Royal Photographer |
| Anne de Courcy | - | Herself - Lord Snowdon's Biographer |
| Lady Glenconner | - | Herself - Friend and Former Lady-In-Waiting (as Anne Glenconner) |
| Howard Greenman | - | Himself |
| Roy Greenslade | - | Himself - Former Daily Mirror Editor |
| Adam Helliker | - | Himself - Sunday Express Diarist |
| Derek Jameson | - | Himself - Former Fleet Street Editor |
| Dai Llewellyn | - | Himself |
| Giles Townsend | - | Himself |
| Christopher Warwick | - | Himself - Princess Margaret's Biographer |
| John Welch | - | Himself |
| James Whitaker | - | Himself - Royal Reporter |
| Christopher Wilson | - | Himself |
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