Ryoo Sung-hoon inMoviesSort Popularity Votes Average Original Title Release Date The Man from Nowhere 7.703 average rating ★★★★★ Gangnam Blues 6.36 average rating ★★★★★ Luck-Key 7.2 average rating ★★★★★ Hanaan 7 average rating ★★★★★ Mad Sad Bad 7.7 average rating ★★★★★