Did you know
Tight 70-minute runtime β shorter than most television pilots.

A family awakens to find themselves trapped in their own home, all windows and doors sealed by impenetrable walls. They desperately try to escape but everything fails. Then the wife notices a bizarre pattern.
βSome stories are better left unspoiled.β

Mary Crosby
Ann Preston

Nicholas Clay
Mike Preston
Debbie Chasan
Sarah Preston
Suzanne Church
Mother
Joanna Joseph
Child
Credits
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Cinephile deep dive
Val Guest directs. Runs lean at under 100 minutes. Produced in United Kingdom. Dialogue in English.
Trivia
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Production companies

Hammer Film Productions
GB
Release history Β· US