Ravi reveals his plan to use the rain-gun to flood the Fens.
| Name | Type | Role | |
|---|---|---|---|
| Richard Carpenter | Writer | ||
| Tina Heath | Guest Star | ||
| Bill Gavin | Guest Star | ||
| Renu Setna | Guest Star | ||
| Nigel Rathbone | Guest Star | ||
| Miles Anderson | Guest Star | ||
| Kenneth Watson | Guest Star | ||
| Michael Sheard | Guest Star | ||
| Charles Collingwood | Guest Star | ||
| Anne Ridler | Guest Star |