[bizarre_eye@Cult Labs]

1. Assault on Precinct 13 (1976)
2. The Fog (1980)
3. The Thing (1982)
4. Halloween (1978)
5. Prince of Darkness (1987)
6. In the Mouth of Madness (1994)
7. They Live (1988)
8. Dark Star (1974)
9. Big Trouble in Little China (1986)
10. Escape from New York (1981)

[Not counting his 'Master of Horror' episodes]

SPOILER:

11. Christine (1983)
12. Starman (1984)
13. Body Bags (1993)
14. Someone's Watching Me (1978)
15. Ghosts of Mars (2001)
16. Vampires (1998)
17. Memoirs of an Invisible Man (1992)
18. Village of the Damned (1995)
19. Escape from LA (1996)
20. The Ward (2010)

I haven't seen Elvis (1979).