The Doctor and Romana are trapped in the Nimon's lair. Is he really the last of his race? What are his real intentions toward Skonnos?
| Name | Type | Role | |
|---|---|---|---|
| Anthony Read | Writer | ||
| Michael Osborne | Guest Star | ||
| Robin Sherringham | Guest Star | ||
| Graham Crowden | Guest Star | ||
| Simon Gipps-Kent | Guest Star | ||
| Janet Ellis | Guest Star | ||
| Malcolm Terris | Guest Star | ||
| Kenny McBain | Director |