Workmen clearing a London bomb site find the skeleton of a man whose death was caused by shooting, not bombs. Can a key in his possession unlock the mystery and identify the killer?
| Name | Type | Role | |
|---|---|---|---|
| Brian Degas | Writer | ||
| Tudor Gates | Writer | ||
| Eric Portman | Guest Star | ||
| Hugh Burden | Guest Star | ||
| Peter Medak | Director |