| Belgravia, London, November 7th, 1974. Sandra Rivett, nanny of the aristocratic Lucan family, is found beaten to death. Shortly thereafter, the prime suspect, John Bingham, 7th Earl of Lucan, mysteriously disappears. When the manhunt begins, the subsequent scandal shakes the foundations of the British ruling class like never before. |
| Name | Character | Episodes |
|---|---|---|
| Andrew Woodall | Bill Shand-Kydd | 2 |
| Catherine McCormack | Lady Lucan | 2 |
| Christopher Eccleston | John Aspinall | 2 |
| Paul Freeman | John Pearson | 2 |
| Rory Kinnear | Lord Lucan | 2 |
| Alistair Petrie | Jimmy Goldsmith | 2 |
| Claudia Harrison | Christine Shand-Kydd | 2 |
| Alan Cox | Ian Maxwell-Scott | 2 |
| Gemma Jones | Dowager Countess of Lucan | 2 |
| Rupert Evans | Dominick Elwes | 2 |
| Jane Lapotaire | Susie Maxwell-Scott | 2 |
| Annabel Mullion | Annabel Birley | 2 |
| Helen Bradbury | Younger Susie Maxwell-Scott | 2 |
| Michael Gambon | John Burke | 1 |
| Matthew Flynn | Chief Superintendent Rogers | 1 |
| Lydia Leonard | Melissa | 1 |
| Cavan Clerkin | DCI David Gerring | 1 |
| Anna Walton | Jane Aspinall | 1 |
| Leanne Best | Sandra Rivett | 1 |
| Ann Bell | Lady Osborne | 1 |
| Aleksandar Mikic | Ulrich | 1 |
| Ruth McCabe | Nanny Roberts | 1 |