John Carpenters The Thing (1982)
John Carpenters The Thing is a great example of a classic horror movie. I love this horror movie and got my hands on the original trailer, check it out.
Scientists in the Antarctic are confronted by a shape-shifting alien that assumes the appearance of the people that it kills.
Director: John Carpenter
Writers: Bill Lancaster (screenplay), John W. Campbell Jr. (story)
Stars: Kurt Russell, Wilford Brimley, Keith David