In space no one can hear our host scream about the science fiction horror film that lands on American Film Institutes syfy top 10 at number 7. Written by Dan O'Bannon and directed by Ridley Scott. Staring Sigourney Weaver,Bolaji Badejo , Veronica Cartwright, Yaphet Kotto, Harry Dean Stanton, Tom Skerritt, John Hurt, and Ian Holm.