General

godfather 1 & 2, 3 is just a waste of time do not watch it. Apocalypse Now is also good but watch that when you have a lot of time, and star wars 4-6.

dangerous beauty

the princess bride
oldboy

One Flew Over the Cuckoo's Nest
2001: A Space Odyssey
Metropolis
Chinatown
Sunset Boulevard
Double Indemnity
North by Northwest
A Clockwork Orange

@fradddd: it's old enough. I can produce older.

Blade Runner

Night of the living dead 1968
Frankenstein 1931
Invasion of the Body snatchers 1956
The birds 1963
To kill a mocking bird 1962
The time machine 1960
War of the Worlds 1953

@arluzaki The Departed is old?

The Departed
Goodfellas
Butch Cassidy & The Sundance Kid
Eyes Wide Shut
A Scanner Darkly
The King of Comedy
Jackie Brown
The Friends of Eddie Coyle
Munich
Drugstore Cowboy

http://explore.bfi.org.uk/sightandsoundpolls/2012/critics
one of my favorites is #3