The Unknown Killer
Birce is taking a shower alone in her house on a rainy night. The faint rattling sounds coming from the door heighten the tension in the air. She hears the sounds but is not yet sure whether her mind is playing tricks on her. The door opens; a figure in a black suit enters, his face unseen.
Below are the streaming services currently carrying the movie “The Unknown Killer” in the United Kingdom, along with how each offers it (subscription, buy, or rent) and a direct link. Licensing differs by market, so availability in the United Kingdom can differ from other countries.
Where to watch The Unknown Killer in United Kingdom
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Not currently available on the supported providers in United Kingdom.
Availability can change as licenses rotate — confirm on the provider’s page before subscribing. Last checked: 23 Sept 2026.