The Host star Song Kang-ho will reteam with Park Chan-wook onhis next film Bat (workingtitle).

Park and Song previouslyworked together on JSA (2000) andSympathy for Mr. Vengeance(2002).

CJ Entertainment iscurrently selling Park's next film I'm A Cyborg, But It's OK and CJ will also sell Bat, a vampire movie being scripted by Jeong Seo-gyeongwho worked with him on Sympathy For Lady Vengeance and I'm A Cyborg But It's OK.

Park has previouslycommented that Bat will likely be "the darkest" of his films.

Veteran actor Song is alsoattached to A Tale of Two Sistersdirector Kim Ji-woon's next project, The Good, The Bad, and The Weird.