The Captain and Xanxia work toward their secret goals. Both depends on the pirate planet consuming one more victim - Earth.
| Name | Type | Role | |
|---|---|---|---|
| Douglas Adams | Writer | ||
| Bruce Purchase | Guest Star | ||
| David Sibley | Guest Star | ||
| Rosalind Lloyd | Guest Star | ||
| Andrew Robertson | Guest Star | ||
| Bernard Finch | Guest Star | ||
| Primi Townsend | Guest Star | ||
| David Warwick | Guest Star | ||
| Graham Williams | Director |