

Plot Summary
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!
Full Cast & Characters

Jon Pertwee
The Doctor

Roger Delgado
The Master

Katy Manning
Jo Grant

Edwin Richfield
Captain Hart

Clive Morton
Trenchard

June Murphy
3rd Officer Jane Blythe

Donald Sumpter
Commander Ridgeway

David Griffin
Lt. Commander Mitchell

Hugh Futcher
Hickman

Royston Tickner
Robbins

Pat Gorman
Sea Devil

Peter Forbes-Robertson
Chief Sea Devil
Director & Crew
Michael E. Briant
Director
Where to Watch Doctor Who: The Sea Devils Online
You can currently stream Doctor Who: The Sea Devils online or watch it in HD via the link below.
Find Doctor Who: The Sea Devils StreamingFrequently Asked Questions
Where can I watch Doctor Who: The Sea Devils online?
Doctor Who: The Sea Devils (1972) is available to stream on various platforms. You can also watch it online via our Watch Online button.
What is the IMDb rating of Doctor Who: The Sea Devils?
It has an IMDb rating of 7.6/10 based on 8 votes.
Who directed Doctor Who: The Sea Devils?
Doctor Who: The Sea Devils was directed by Michael E. Briant and released in 1972.
How long is Doctor Who: The Sea Devils?
Doctor Who: The Sea Devils has a runtime of 2 hours and 30 minutes.
Movie Details
- Release Date
- 1972-04-01
- Status
- Released