With Zaroff's plan nearing completion, the Doctor and Ben realise the only way to save the world is to destroy Atlantis.
Name | Type | Role | |
---|---|---|---|
Geoffrey Orme | Writer | ||
Joseph Fürst | Guest Star | ||
Tony Handy | Guest Star | ||
P.G. Stephens | Guest Star | ||
Graham Ashley | Guest Star | ||
Paul Anil | Guest Star | ||
Catherine Howe | Guest Star | ||
Julia Smith | Director |