The Doctor and Romana begin to uncover the truth about the strange events aboard the luxury liner Empress. They first have to separate the two ship from each other. But they've got Mandrells, drug smugglers and police chasing after them.
| Name | Type | Role | |
|---|---|---|---|
| Bob Baker | Writer | ||
| Geoffrey Bateman | Guest Star | ||
| Maggie Petersen | Guest Star | ||
| Richard Barnes | Guest Star | ||
| Sebastian Stride | Guest Star | ||
| Lewis Fiander | Guest Star | ||
| Barry Andrews | Guest Star | ||
| Alan Bromley | Director |