Official teaser and preview video trailers for ocn drama series Hero:

From Special Affairs Team TEN to Hero trailer

Hero Teaser Trailer

Hero Casting Trailer

Hero Preview Trailer 1

Hero Preview Trailer 2

Hero scenes highlight preview trailer.

Hero preview video features Han Chae Ah.

Hero’s action scene preview video.

Hero’s car chase scene preview video.

Yang Dong Geun promotes OCN video clip.