Director: Ridley Scott
Stars: Sigourney Weaver, Harry Dean Stanton, Tom Skerritt, Yaphet Kotto, Ian Holm, Veronica Cartwright, Bolaji Badejo

Depending on who you ask, Ridley Scott's Alien is either sci-fi or a haunted house story set in space. Either way, you have to acknowledges it's a masterful classic. 

Under Scott's watch, Alien is full of genuine scares, palpable tension, and dazzling visual effects. Speaking of the FX, the alien's design, credited to H.R. Giger, is the freakiest of its kind; with a long, jai-alia-racket-shaped head and Velociraptor-like arms and legs, the film's monster is the stuff of intergalactic nightmares. It's also the benefactor of one of cinema's all-time great taglines: "In space, no one can hear you scream."

Too bad the people watching Alien with you can. —MB