The Alien Within (1995) is a Horror, Science Fiction, TV Movie film that follows crew of an undersea mining platform falls prey to mysterious and dangerous parasite. The parasite has the ability to affect people's minds, so survivors can't be certain who is safe and who is infected. The Alien Within is not currently listed with streaming providers in your selected region, but availability can change over time. It has a user rating of 3.2 out of 10 from 5 votes. Fans of horror movies may also want to explore similar titles below.