STORY
The Doctor and UNIT investigate a deadly infection lurking underneath the Welsh mining town of Llanfairfach. It's an adventure that will change Jo Grant's life forever...
CAST & CREW
- Jon Pertwee
- Katy Manning
- Nicholas Courtney
- John Levene
- Richard Franklin
Cast
- Michael E. Briant
Director
INFORMATION
- BBC
Production Companies
- United Kingdom
Production Countries
LANGUAGES
- English
