The Thin Man (the entire series is great but the first is the best)
Casablanca
The Big Sleep
The Maltese Falcon
North by Northwest
Rear Window
It's a Wonderful Life
The Public Enemy
Scarface (the ORIGINAL one not the Pacino one)
Little Cesar
Key Largo
2001 Space Odyssey
The Shining


And ANYTHING with WC Fields in it