| Credited cast: |
 | Tony Benn | | |
| Alastair Burnet | - | (archive footage) |
| David Butler | - | Himself |
| Robin Day | | |
 | David Dimbleby | - | Himself |
| Richard Dimbleby | - | Himself (archive footage) |
| Richard Francis | | |
| Edward Heath | - | (archive footage) |
| Quintin Hogg | - | Himself (archive footage) (as Lord Hailsham) |
 | Sue Lawley | - | Herself (archive footage) |
| Harold Macmillan | - | (archive footage) |
| Donald Macrae | - | Himself (as Professor Donald Macrae) |
| Joan Marsden | - | Herself |
| Robert McKenzie | - | Himself (archive footage) |
| Cliff Michelmore | - | (archive footage) |
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