A psychopath uses a family's high tech security system with a ticking time bomb to terrorize them for 90 minutes demanding an answer to his question; 'WHO AM I?'
Currently, you can only stream Unknown Caller on Fubo in the the United States.
You can buy or rent Unknown Caller on the following streaming services in the the United States: Vudu, Amazon, Google Play and iTunes.
Unknown Caller was released 10 years ago in 2014.
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