Movie availability guide
Castle Sinister
During the War, a British agent travels to the remote Glennye Castle in the wilds of Scotland to investigate a mysterious murder by a masked phantom. Who or what is the phantom? And how are the Germans involved?
1948 3.4/10 community score 49 min Released
- Horror
- Thriller
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Where to watch in United States
4 platforms currently listed across all viewing options
Data checked 5 Nov 2026, 22:45 UTC
Free with ads
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