1. The Chaser
2. Old Boy
3. Save The Green Planet
4. Thirst
5. A Tale of Two Sisters
6. I Saw the Devil
7. The Host
8. A Bittersweet Life
9. The Good, the bad and the Weird
10. Memories of Murder
South Korean
1. The Chaser
2. Old Boy
3. Save The Green Planet
4. Thirst
5. A Tale of Two Sisters
6. I Saw the Devil
7. The Host
8. A Bittersweet Life
9. The Good, the bad and the Weird
10. Memories of Murder
I think you completely right about The Chaser,
By far my favourite thriller of all time, prob followed by Oldboy.
Hey,
You also forgot 9-Iron, classic movie about this guy who breaks into peoples houses while they are on holiday and lives their lives for them.