The Thing (1982)

John Carpenterโ€™s sci-fi horror film set in a remote Antarctic research station. The story follows a group of American scientists who discover a shape-shifting alien that can assimilate and imitate any living organism, leading to paranoia and mistrust among them. As the crew struggles to figure out who is still human, they attempt to stop the creature before it kills them all.
The film stars Kurt Russell as R.J. MacReady, along with Wilford Brimley, Keith David, and Richard Dysart.