An Iron Curtain agent is using a young girl to extort secrets from, and ultimately destroy the career of, a future British Prime Minister, unaware that the girl is the long-lost daughter of a well-known local prostitute.
| Name | Type | Role | |
|---|---|---|---|
| Brian Clemens | Writer | ||
| Pamela Salem | Guest Star | ||
| Patrick Durkin | Guest Star | ||
| Anthony Steel | Guest Star | ||
| Walter Gotell | Guest Star | ||
| Kenneth Watson | Guest Star | ||
| Fredric Abbott | Guest Star | ||
| Sally Harrison | Guest Star | ||
| Barry Justice | Guest Star | ||
| Michael Burrell | Guest Star | ||
| Stefan Kalipha | Guest Star | ||
| Maggie Wright | Guest Star | ||
| Felicity Dean | Guest Star | ||
| David Wickes | Director |