Doctor Who: The Sea Devils
movie

Released April 01, 1972
Overview
The Doctor and Jo visit the Master in his high-security prison on an island off the south coast of England. The governor, Colonel Trenchard, says ships have been disappearing mysteriously at sea. The Doctor discovers that Trenchard and the Master are in league to contact the Sea Devils, a race of reptiles in hibernation in a base beneath the sea, who have been awoken by recent work on a nearby sea fort. The Master intends to use his new allies to help him conquer the world!
Cast

Jon Pertwee
as
The Doctor

Roger Delgado
as
The Master

Katy Manning
as
Jo Grant

Edwin Richfield
as
Captain Hart

Clive Morton
as
Trenchard
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June Murphy
as
3rd Officer Jane Blythe

Donald Sumpter
as
Commander Ridgeway
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David Griffin
as
Lt. Commander Mitchell
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Hugh Futcher
as
Hickman

Royston Tickner
as
Robbins

Pat Gorman
as
Sea Devil

Peter Forbes-Robertson
as
Chief Sea Devil
Crew

Michael E. Briant
as
Director

Malcolm Hulke
as
Writer

Barry Letts
as
Producer
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Sylvia James
as
Makeup Artist

Malcolm Clarke
as
Original Music Composer

Delia Derbyshire
as
Theme Song Performance

Brian Hodgson
as
Special Sound Effects
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Peter Day
as
Visual Effects
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Peter Sargent
as
Camera Operator
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Martyn Day
as
Editor
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Maggie Fletcher
as
Costume Design
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Mike Jefferies
as
Lighting Director