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.
Director
Umberto Lenzi
Barbara Cupisti
Erna
Pietro Genuardi
Paul
Lorenzo Majnoni
Manfred
Giacomo Rossi Stuart
Dr. Johns
Gaetano Russo
Maurizio
Paul Müller
The Monk
IT
