Overview
As part of a science experiment, a man has spent a record-breaking length of time alone down a hole, but an hour before he's due to re-emerge, something goes wrong and his colleagues have to go in to rescue him.
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Details
- Director
- Umberto Lenzi
- Written by
- Olga Pehar, Umberto Lenzi, Umberto Lenzi
- Produced by
- Antonio Lucidi, Luigi Nannerini
- Composer
- Piero Montanari
- Studio
- Alpha Cinematografica
Released December 14, 1989·Le porte dell'inferno·Italy·$222,000 budget
