| Episode credited cast: |
 | Michael Cockerell | - | Himself - Reporter |
| Rest of cast listed alphabetically: |
| Ed Balls | - | Himself - Gordon Brown's Special Adviser (archive footage) (as Ed Balls MP) |
| George Brown | - | Himself - Secretary of State DEA, 1964-66 (archive footage) |
 | Gordon Brown | - | Himself (archive footage) |
| Robin Butler | - | Himself - Cabinet Secretary, 1988-98 (as Lord Butler) |
| James Callaghan | - | Himself - Chancellor, 1964-67 (archive footage) (as Lord Callaghan) |
| Kenneth Clarke | - | Himself |
| Alistair Darling | - | Himself - Chancellor (as Alistair Darling MP) |
| John Gieve | - | Himself - Treasury Official, 1979-2001 (as Sir John Gieve) |
| Denis Healey | - | Himself - Chancellor, 1974-79 (archive footage) (as Lord Healey) |
| Peter Hennessy | - | Himself - London University (as Professor Peter Hennessy) |
| Geoffrey Howe | - | Himself - Chancellor, 1979-83 (as Lord Howe) |
| John Kerr | - | Himself - Treasury Official, 1979-84 (as Lord Kerr) |
| Norman Lamont | - | Himself - Chancellor, 1990-93 (as Lord Lamont) |
| Nigel Lawson | - | Himself - Chancellor, 1983-89 (as Lord Lawson) |
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