The Doctor leads Lemaitre to the royalist house where Lemaitre reveals that he is in fact the English spy, James Sterling.
| Name | Type | Role | |
|---|---|---|---|
| Dennis Spooner | Writer | ||
| Paul Barrass | Guest Star | ||
| Donald Morley | Guest Star | ||
| Keith Anderson | Guest Star | ||
| Patrick Marley | Guest Star | ||
| Jack Cunningham | Guest Star | ||
| Tony Wall | Guest Star | ||
| James Cairncross | Guest Star | ||
| Timothy Combe | Director | ||
| Henric Hirsch | Director |