While Mel and Ace run from Glitz's former crewmen (whom he sold to Kane), officers Belazs and Kracauer conspire to overthrow Kane. The Doctor, meanwhile, discovers there really is a dragon in the ice caverns, which turns out to be a bio-mechanoid with a very interesting function.
| Name | Type | Role | |
|---|---|---|---|
| Ian Briggs | Writer | ||
| Lynn Gardner | Guest Star | ||
| Nigel Miles-Thomas | Guest Star | ||
| Edward Peel | Guest Star | ||
| Chris MacDonnell | Guest Star | ||
| Patricia Quinn | Guest Star | ||
| Daphne Oxenford | Guest Star | ||
| Chris Clough | Director |