The orbit of the holiday planet, Azure, the year 2116. The starships Empress and Hecate are fused together after an accident in hyperspace. Naturally the Doctor thinks he can find a solution, but has the accident unleashed a far more deadly menace?
| Name | Type | Role | |
|---|---|---|---|
| Bob Baker | Writer | ||
| Lewis Fiander | Guest Star | ||
| Geoffrey Bateman | Guest Star | ||
| Jennifer Lonsdale | Guest Star | ||
| Stephen Jenn | Guest Star | ||
| Richard Barnes | Guest Star | ||
| Alan Bromley | Director |