Plot
On the planet Dido, the Doctor, Ian and Barbara meet two survivors from a crashed spaceship who are terrorised by the monster Koquillion.
Trailer
Trailer's not available.
Cast
William Hartnell
The Doctor
Jacqueline Hill
Barbara Wright
William Russell
Ian Chesterton
Maureen O'Brien
Vicki
Ray Barrett
Bennett / Koquillion
Tom Sheridan
Space Captain (voice)
John Stuart
Didonian (uncredited)
Colin Hughes
Didonian (uncredited)
