The Doctor and his friends find themselves in the lost city of Atlantis, where the crazed Professor Zaroff has convinced the people of Atlantis that he can raise their sunken city from beneath the sea. However, the Doctor discovers a terrible secret behind Zaroff's plan — a secret that could destroy all life on Earth.
Directed by AnneMarie Walsh
Patrick Troughton
The Doctor (voice)
Frazer Hines
Jamie McCrimmon (voice)
Anneke Wills
Polly Wright (voice)
Michael Craze
Ben Jackson (voice)
Joseph Fürst
Zaroff (voice)
Colin Jeavons
Damon (voice)
Noel Johnson
King Thous (voice)
Tom Watson
Ramo (voice)
