Where to watch Unknown World (1951) in the UK
Unknown World (1951) is currently available to stream in the UK on Cultpix. It can also be rented from Amazon Video or bought from Amazon Video. Last verified on 5 May 2026 by ScreenSearch.
Drilling into the forbidding depths of the earth!
With the cyclotram, an atomic-powered rock-boring vehicle, Dr. Jerimiah Morley leads an expedition into a subterranean world.
Watch the trailer
Unknown World (1951): Newsreel Sequence
Streaming options in the United Kingdom
Updated daily from The Movie Database. Outbound links open the provider directly.
Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Cast & crew
Top-billed cast in Unknown World.
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Bruce KelloggWright Thompson, Jr. -
Otto WaldisDr. Max A. Bauer -
Jim BannonAndrew "Andy" Ostergaard -
Tom HandleyDr. James Paxton
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Dick CoganDr. George Coleman -
George BaxterCarlisle Foundation Chairman -
Marilyn NashDr. Joan Lindsey -
Victor KilianDr. Jeremiah Morley (uncredited)
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Unknown World — frequently asked questions
Where can I stream Unknown World in the UK?
Unknown World (1951) is currently included in subscriptions to Cultpix in the United Kingdom. Sign-in is required to play. Streaming licences change occasionally — ScreenSearch refreshes its data daily.
How much does it cost to rent Unknown World?
Rental prices vary by service and tier (HD vs 4K), typically £3.49 to £5.99 in the UK for a 48-hour rental. ScreenSearch links you straight to Amazon Video so you can check the current price.
Can I buy a digital copy of Unknown World?
Yes. Unknown World can be bought as a digital download from Amazon Video in the UK. A purchased digital copy lives in that storefront's library and stays available as long as the licence holds.
Is Unknown World on Netflix, Disney+ or Amazon Prime Video in the UK?
Unknown World is currently included with: Cultpix.
How accurate is this film's availability data?
Availability is sourced from The Movie Database (TMDB), which in turn pulls from JustWatch. Listings are refreshed daily. For purchase decisions, the provider's own site is the source of truth.
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