"Alien from the Deep" is dull and dragging a horror/Sci-Fi from the usually great and reliable Antonio Margheriti, who admittedly already had to be retired around the time of release.
Two young environmentalists venture to an island resort to battle against a chemical plant company that dumps its barrels of radioactive waste straight into an active volcano. You've got to admit that's a pretty clever type of shenanigans if you're a ruthless and power-greedy businessman! The two get caught, however, but the girl escapes into the island jungle and finds rescue in the arms of a lone snake farmer (what an awesome profession that must be) and together they attempt to stop the illegal dumping. But it's too late, unfortunately, as the years worth of industrial dumping spawned a hideous monster. You'll have to be very patient and tolerant if you want to see a monster or alien or menace of any kind. We're far beyond the 50 minutes mark until there's a bit of gore and at that same moment the director thankfully reminds us that this movie is actually supposed to revolve on a monster of any kind with the discovery of a giant claw. Luckily from then and onwards, the pacing remains steadily fast, the atmosphere becomes grimmer, the make- up effects are satisfying and even Charles Napier's supportive characters – which until then was a dull persona – becomes sleazier. Still, "Alien from the Deep" takes itself far too serious, what with all its environmentalist lessons, and even has a certain aura of pretension hanging around it. There are some nifty miniature settings to recreate the destructive sequences that cost too much to film with real equipment and the monster – when you eventually get to see it in all its glory near the very end – is quite a massive and reasonably admirable construction.