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?... (Full plot summary below)
Enjoy FREE movies and series with your Prime (USA) subscription or when you start a 30-day free trial!
| Movie Source | Available | Offers | Added | Views | Quality | Format | Rating | Link | Share |
|---|---|---|---|---|---|---|---|---|---|
 | UK only | 1 Month Free Trial | 18 Mar 2013 | 4018 | HD | Watch OnlineStream Instantly | 73% |  Report: Broken Link |   |
| USA only | 1 Month Free Trial | 07 Jun 2013 | 3619 | HD | Watch OnlineStream Instantly | 70% | Report: Broken Link | |
| IRELAND only | 1 Month Free Trial | 16 Apr 2022 | 1377 | HD | Watch OnlineStream Instantly | 96% | Report: Broken Link | |
 | UK only | 30 Day Free Trial | 18 Nov 2013 | 618 | HD | Watch OnlineStream Instantly | 93% | Report: Broken Link | |
![Its HD [Le Mystérieux Monsieur Sylvain]](/images/logos/icons/itshd.png){kind=icon} | WORLDWIDE | ? | 15 Dec 2019 | 3656 | HD | Watch OnlineStream Instantly | 89% | Report: Broken Link | |
 | UK only | 30 Day Free Trial | 04 Jan 2014 | 332 | HD | Watch OnlineStream Instantly | 65% | Report: Broken Link | |
 | UK only | Free Credit | 07 Aug 2017 | 132 | HD | Watch OnlineStream Instantly | 31% | Report: Broken Link | |
 | WORLDWIDE | ? | 11 May 2017 | 115 | HD | Watch OnlineStream Instantly | 12% | Report: Broken Link | |
 | WORLDWIDE | ? | 13 Feb 2026 | 21 | SD / TV | Watch OnlineStream Instantly | 20% | Report: Broken Link | |
 | WORLDWIDE | ? | 09 Sep 2024 | 228 | HD | Watch OnlineStream Instantly | 30% | Report: Broken Link | |
 | WORLDWIDE | ? | 06 Jul 2018 | 17 | SD / TV | Watch OnlineStream Instantly | 12% | Report: Broken Link | |
Links compiled using automated software. Availability of offers subject to change / might be region specific / out of date.
| Movie Source | Available | Offers | Added | Views | Quality | Format | Rating | Link | Share |
|---|---|---|---|---|---|---|---|---|---|
| UK only | 30 Day Free Trial | 21 Apr 2021 | 3206 | SD / DVD | DVD RentalRent by Post | 82% |  Report: Broken Link | |
 | UK only | N/A | 21 Apr 2021 | 86 | SD / DVD | DVD RentalRent by Post | 53% | Report: Broken Link | |
 | USA only | 1 Month Free Trial | 21 Apr 2021 | 91 | SD / DVD | DVD RentalRent by Mail | 16% | Report: Broken Link | |
| USA only | 1 Month Free Trial | 21 Apr 2021 | 4463 | SD / DVD | DVD RentalRent by Mail | 87% | Report: Broken Link | |
| Movie Source | Available | Offers | Added | Views | Quality | Format | Rating | Link | Share |
|---|---|---|---|---|---|---|---|---|---|
| UK only | 30 Day Free Trial | 27 Sep 2018 | 289 | HD / BR | Blu Ray RentalRent by Post | 69% | Report: Broken Link | |
| UK only | N/A | 27 Sep 2018 | 19 | HD / BR | Blu Ray RentalRent by Post | 20% | Report: Broken Link | |
| USA only | 1 Month Free Trial | 21 Apr 2021 | 128 | HD / BR | Blu Ray RentalRent by Mail | 17% | Report: Broken Link | |
| USA only | 1 Month Free Trial | 27 Sep 2018 | 7016 | HD / BR | Blu Ray RentalRent by Mail | 90% | Report: Broken Link | |
Sorry, we can't find any suggestions at the moment.
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?
Leave your thoughts about Le Mystérieux Monsieur Sylvain.
