Where to watch What You Can't Promise (2021) in the UK
What You Can't Promise (2021) is currently available to stream in the UK on Amazon Prime Video and Amazon Prime Video with Ads. It can also be rented from Amazon Video or bought from Amazon Video. Last verified on 16 May 2026 by ScreenSearch.
When a mysterious woman turns up unexpectedly at an old country house, the new owner makes a decision that could change him forever. He soon realises that something about his new houseguest makes him uneasy. Nevertheless, he can't help but find her strangely beguiling.
Streaming options in the United Kingdom
Updated daily from The Movie Database. Outbound links open the provider directly.
Stream
Included with these subscription services in the UK.
Free with ads or licence fee
Watch at no extra cost on these UK services.
Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Cast & crew
Top-billed cast in What You Can't Promise.
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What You Can't Promise — frequently asked questions
Where can I stream What You Can't Promise in the UK?
What You Can't Promise (2021) is currently included in subscriptions to Amazon Prime Video and Amazon Prime Video with Ads 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 What You Can't Promise?
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 What You Can't Promise?
Yes. What You Can't Promise 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 What You Can't Promise on Netflix, Disney+ or Amazon Prime Video in the UK?
What You Can't Promise is currently included with: Amazon Prime Video and Amazon Prime Video with Ads.
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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