The TARDIS arrives on an extinct volcanic island. Before long, the travellers are captured and taken into the depths of the Earth, where they find a hidden civilisation — the lost city of Atlantis.
The Doctor
Polly
Ben Jackson
Jamie McCrimmon
Zaroff
Damon
King Thous
Ramo
Lolem
Damon's Assistant
Ara
Sean
Jacko
Nola
Overseer
Zaroff's Guard
