Doctor Who: The Sea Devils
We checked 8 streaming services in India on 05 Jun 2026 at 03:04 IST
About
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
June Murphy
as 3rd Officer Jane Blythe
Donald Sumpter
as Commander Ridgeway
David Griffin
as Lt. Commander Mitchell
Hugh Futcher
as Hickman
Royston Tickner
as Robbins
Pat Gorman
as Sea Devil
Peter Forbes-Robertson
as Chief Sea Devil
Declan Mulholland
as Clark
Alec Wallis
as Ldg. Telegraphist Bowman
Brian Justice
as Castle Guard Wilson
Terry Walsh
as Castle Guard Barclay
Eric Mason
as C.P.O. Smedley
Christopher Wray
as Ldg. Seaman Lovell
Stanley McGeagh
as Castle Guard Drew
Brian Vaughan
as Lt. Commander Watts
Where does Doctor Who: The Sea Devils rank today?
Doctor Who: The Sea Devils is #10000 on the CineFlixo Daily Streaming Charts today.
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Watch Doctor Who: The Sea Devils Online Free in HD
Looking for a place to watch Doctor Who: The Sea Devils online for free? You've landed on the right page. Doctor Who: The Sea Devils is a well-rated Inglés science fiction, drama, and adventure movie from 1972 that you can stream right now on CineFlixo in high quality, no signup required.
About Doctor Who: The Sea Devils
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! Running 150 minutes.
Doctor Who: The Sea Devils Cast and Characters
The cast features Jon Pertwee (as The Doctor), Roger Delgado (as The Master), Katy Manning (as Jo Grant), Edwin Richfield (as Captain Hart), and Clive Morton (as Trenchard). Their performances are a major reason Doctor Who: The Sea Devils has built such a passionate audience.
Where to Watch Doctor Who: The Sea Devils Online
CineFlixo lets you stream Doctor Who: The Sea Devils online free, instantly, in HD. There's nothing to install — open the page, hit play, done. Works perfectly on Jio, Airtel, Vi networks across India and on slow mobile data thanks to our adaptive video pipeline.
▶ Watch Doctor Who: The Sea Devils NowWhy People Are Watching Doctor Who: The Sea Devils
There's a reason Doctor Who: The Sea Devils keeps showing up on "must-watch" lists. What makes it work is emotional weight that hits where it counts and world-building that respects the audience's intelligence. If you enjoy Inglés storytelling that doesn't follow the same tired beats, this is the kind of film you'll end up recommending to friends.
Frequently Asked Questions about Doctor Who: The Sea Devils
Where can I watch Doctor Who: The Sea Devils online for free?
You can watch Doctor Who: The Sea Devils online free on CineFlixo. Just open the page and hit play — no signup, no subscription, full HD streaming on phone, tablet, or desktop.
How long is Doctor Who: The Sea Devils?
Doctor Who: The Sea Devils runs for 150 minutes (about 2.5 hours).
Is Doctor Who: The Sea Devils good? What's the rating?
Doctor Who: The Sea Devils holds a 7.6/10 rating based on 8 reviews — well above average.
Who is in the cast of Doctor Who: The Sea Devils?
The main cast includes Jon Pertwee, Roger Delgado, Katy Manning, and Edwin Richfield, plus a strong supporting ensemble.
Is Doctor Who: The Sea Devils available in Inglés?
Yes — Doctor Who: The Sea Devils was originally produced in Inglés and that's the version you'll stream here on CineFlixo. English subtitles are provided when available.
When was Doctor Who: The Sea Devils released?
Doctor Who: The Sea Devils was released in 1972.
Do I need an account to watch Doctor Who: The Sea Devils on CineFlixo?
No. CineFlixo is free and you can watch Doctor Who: The Sea Devils without creating an account. Sign-up is optional — only useful if you want a personal Watchlist or to comment on episodes.
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Frequently Asked Questions
Common questions about Doctor Who: The Sea Devils
Where can I watch Doctor Who: The Sea Devils for free?
You can watch Doctor Who: The Sea Devils (1972) online for free on CineFlixo. Just click "Watch Free" on this page to start streaming instantly — no account, subscription, or downloads required.
What is Doctor Who: The Sea Devils about?
Doctor Who: The Sea Devils is a Science Fiction/Drama English-language film. 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!
When was Doctor Who: The Sea Devils released?
Doctor Who: The Sea Devils was released on April 1, 1972. It has a runtime of 2h 30m. The film was produced by BBC.
Who stars in Doctor Who: The Sea Devils?
Doctor Who: The Sea Devils stars Jon Pertwee, Roger Delgado, Katy Manning and Edwin Richfield. The full cast list is available in the Cast section above.
Is Doctor Who: The Sea Devils available in HD?
Yes, Doctor Who: The Sea Devils is available to stream in high definition (HD) on CineFlixo. Our players automatically deliver the best quality your connection supports — no extra setup needed.