At last learning the location of the missing key to his spaceship, Kane has the dragon hunted down and Iceworld brutally purged of all visitors; but, the Doctor, visiting the Ice Garden, learns something significant that will put the chagrin on Kane's grand plans for home world vengeance.
| Name | Type | Role | |
|---|---|---|---|
| Ian Briggs | Writer | ||
| Shirin Taylor | Guest Star | ||
| Stephanie Fayerman | Guest Star | ||
| Stuart Organ | Guest Star | ||
| Edward Peel | Guest Star | ||
| Lynn Gardner | Guest Star | ||
| Miranda Borman | Guest Star | ||
| Chris Clough | Director |