Dennis Quaid? Pah. It had Louis Gosset Jr. That's where the magic lies.
1. The first Star Wars movie (1977)
2. Star Trek 2: The Wrath on Khan
3. Close Encounters of the Third Kind
4. Alien
5. Invasion of the Body Snatchers (1956)
Also both versions of The Fly (1958 and 1986) get honorable mention.