Doctor Who: The Underwater Menace 57 years old

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.

Credits

Doctor Who: The Underwater Menace Cast

Name	Character
Patrick Troughton He was 46, 67 years old when he died	as The Doctor
Michael Craze He was 24, 56 years old when he died	as Ben Jackson
Anneke Wills She was 25, now 82 years old	as Polly

Doctor Who: The Underwater Menace Crew

Name	Department
Geoffrey Orme as Writer. He was 62 (73) years old when He died	Writing