Steve and Nico already gave some great choices, how about these:
1. Bladerunner
2. The Usual Suspects
3. The Big Sleep (1946)
4. The Song of Bernadette
5. The Good, The Bad and The Ugly
6. Lost Horizon (1937)
7. The Sound of Music (My Fair Lady is also great
)
8. Point Blank (1967)
9. Ghost and Mrs Muir
10. 12 Angry Men