You haven't seen The Wizard of Oz? You're joking, right?
I can't stop at three, but I'll try to keep it short.
Psycho
Papillon
Network
Broadcast News - get this next, I think you'll appreciate it.
Taxi Driver
The Sting
Deliverance
Invasion of the Body Snatchers
Shallow Grave
Swimming With the Sharks
City of Lost Children (you have seen Delicatessen, yes?)
La Femme Nikita

Watch anything with or made by the following:
Alfred Hitchcock
Orson Welles
Fritz Lang
Steve McQueen
Paul Newman
Monty Python
Michael Mann

I have to sleep. I'll continue this later.