How many movies have Jang Won-seok and Ryu Geon-hui collaborated on?

They have worked on 3 movies together! Their first movie together was Beasts Clawing at Straws (2020) while their highest rated movie together was The Roundup: No Way Out (2023). They have not worked together since The Roundup: No Way Out (2023). They are most known for their thriller films together.