Where to watch Le Mystérieux Monsieur Sylvain (1947) in the UK
Le Mystérieux Monsieur Sylvain (1947) is not currently listed on any UK streaming, rental, or purchase service. Last verified on 17 May 2026 by ScreenSearch.
In an aero-naval base, a marine engineer who was about to deliver the name of a redoubtable spy is murdered. Shortly afterwards three different men appear on the crime scene, each of them claiming to be Monsieur Sylvain, the expected sleuth. But which of the three investigators is actually Sylvain? And what about this delightful young lady who arouses one of the police inspectors? Couldn't she be the murderous spy?
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.
Cast & crew
Top-billed cast in Le Mystérieux Monsieur Sylvain.
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Frank VillardAncelin -
Simone RenantFrançoise Dastier -
Jean ChevrierChantenay -
Jean MarchatMorgat -
Marcelle PrainceThe marquise -
André BervilThe killer -
Marcel RaineCommander Dartois
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Paul AmiotThe colonel
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Le Mystérieux Monsieur Sylvain — frequently asked questions
Where can I watch Le Mystérieux Monsieur Sylvain in the UK?
Le Mystérieux Monsieur Sylvain (1947) 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 Le Mystérieux Monsieur Sylvain on Netflix, Disney+ or Amazon Prime Video in the UK?
Le Mystérieux Monsieur Sylvain is not currently included with any major UK subscription service. It may still be available to rent or buy.
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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