The Doctor and Susan are once again taken prisoner by the Daleks. In the mountains, Ian, Barbara and the Thals must negotiate a vast chasm to reach the city.
- Drama
- Year 1964
- 26 min
- Cast
-
William Hartnell
Doctor Who
-
Jacqueline Hill
Barbara Wright
-
William Russell
Ian Chesterton
-
Carole Ann Ford
Susan Foreman
-
John Lee
Alydon
-
Marcus Hammond
Antodus
-
Virginia Wetherell
Dyoni
- Crew
-
Christopher Barry
Director
-
Verity Lambert
Producer
-
Terry Nation
Writer