Thanks guys, I was talking separately about thrillers and dramas. I saw already Silence of the lambs and Blood diamond. I’ll check the other suggestions. Looking for more opinions.
Mulholland Drive
Oldboy
The Dark Knight
Zodiac
Taxi Driver
Nightcrawler
Prisoners
No Country for Old Men
Inception
The Usual Suspects
Léon: The Professional
Chinatown
Black Swan
Gone Girl
Memento
Se7en
Cape Fear
Mean Streets
Primal Fear
Miller's Crossing
The French Connection
I think Ive seen green room but have to look it up. We Need to talk about Kevin I thought was very very good and equally disturbing. Acting was spot on.