Storyline
The Fifth Doctor, Tegan and Turlough arrive on Sea Base 4, a nuclear warhead station under the sea that has some very nasty neighbours.
Released
1/13/1984
Runtime
1h 40min
Director
Genre
Status
Released
Language
English
Production
BBC
Cast
Peter Davison
The Doctor
Janet Fielding
Tegan Jovanka
Mark Strickson
Vislor Turlough
Tom Adams
Vorshak
Ian McCulloch
Nilson
Ingrid Pitt
Solow
Nigel Humphreys
Bulic
Tara Ward
Preston
Martin Neil
Maddox
Nitza Shaul
Karina
James Coombes
Paroli
Norman Comer
Icthar
Stuart Blake
Scibus
Vincent Brimble
Tarpok
Christopher Farries
Sauvix
Ling Tai
Seabase Crewmember
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