Chase by blood-thirsty stones, the Doctor must find a way to rescue Romana. What awaits him in the theoretical absurdity of hyperspace?
| Name | Type | Role | |
|---|---|---|---|
| David Fisher | Writer | ||
| Beatrix Lehmann | Guest Star | ||
| Susan Engel | Guest Star | ||
| David McAlister | Guest Star | ||
| Gerald Cross | Guest Star | ||
| James Murray | Guest Star | ||
| Darrol Blake | Director |