Le porte dell'inferno
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.
- Thể loại: Phim Kinh Dị
- Quốc gia: Italy
- Giám đốc: Umberto Lenzi
- Diễn viên: Barbara Cupisti, Pietro Genuardi, Lorenzo Majnoni, Giacomo Rossi Stuart, Gaetano Russo, Andrea Damiano, Mario Luzzi, Paul Müller,