Lee Byung-hun, Song Kang-ho and Jung Woo-sung, 3 of the most famous Korean actors are going to star together in the next movie (current title is Good Guy, Bad Guy and Weird Guy).

The movie is invested by the same company that produced The Host, the best selling movie in Korea history.
All the 3 actors are famous not just in Korea, but currently 3 of the most high profile Korean actors internationally as well.
[Source]