Where to watch Promise to the Unknown One (1942) in the UK
Promise to the Unknown One (1942) is not currently listed on any UK streaming, rental, or purchase service. Last verified on 4 August 2026 by ScreenSearch.
A young woman is in love with a young writer, winner of the Prix Goncourt. Married to a banker, she must face her husband's anger and the blackmail of a former suitor.
Streaming options in the United Kingdom
Updated daily from The Movie Database. Outbound links open the provider directly.
This may be because: (a) the title hasn't been released in the UK yet, (b) it's on physical media only, or (c) the licence has temporarily lapsed. Streaming availability changes frequently — check back daily.
Last verified: — sourced from The Movie Database. Machine-readable: Markdown · JSON.
Is Promise to the Unknown One on Netflix, Disney+ or Prime Video?
Quick answers for the UK's biggest streaming services, checked against today's data.
Netflix
No — Promise to the Unknown One (1942) is not currently on Netflix in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Amazon Prime Video
No — Promise to the Unknown One (1942) is not currently on Amazon Prime Video in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Disney+
No — Promise to the Unknown One (1942) is not currently on Disney+ in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Cast & crew
Top-billed cast in Promise to the Unknown One.
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Charles VanelBernard Parker -
Claude DauphinJean Cartier -
Madeleine RobinsonFrançoise Parker -
Henri GuisolDuvernier -
Marcel AndréChancellin -
Alexandre FabryFather Honoraz
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Charlotte ClasisMother Honoraz -
Jacques TarrideJeweler
More comedy & romance on UK streaming
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Promise to the Unknown One — frequently asked questions
Where can I watch Promise to the Unknown One in the UK?
Promise to the Unknown One (1942) is not currently listed by any UK streaming, rental, or purchase service in our daily-updated TMDB feed. It may be on physical media, an aggregator, or pending a UK release. Check back later — availability changes frequently.
Is Promise to the Unknown One on Netflix in the UK?
No — Promise to the Unknown One (1942) is not currently on Netflix in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Is Promise to the Unknown One on Amazon Prime Video in the UK?
No — Promise to the Unknown One (1942) is not currently on Amazon Prime Video in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
Is Promise to the Unknown One on Disney+ in the UK?
No — Promise to the Unknown One (1942) is not currently on Disney+ in the UK, and no other UK streaming, rental, or purchase listing was found in today's data. Licences change frequently — check back soon.
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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