When Harold Wilson suddenly resigned as Labour prime minister resigned in 1976, most assumed there was a scandalous explanation. Eventually, rumours began to surface that powerful sections of the Establishment. This eye-opening drama documentary can now reveal how Britain was nearly brought to the brink of a military coup.
| Actor | Role |
|---|---|
 John HurtNarrator (voice) | Narrator (voice) |
 James BolamHarold Wilson | Harold Wilson |
 Elizabeth McKechnieMarcia Williams | Marcia Williams |
 Peter Hamilton DyerRoger Courtiour | Roger Courtiour |
 David Bark-JonesBarrie Penrose | Barrie Penrose |
 Harold WilsonSelf (archival footage) | Self (archival footage) |
 Edward HeathSelf (archival footage) | Self (archival footage) |
 Colin WallaceSelf | Self |