How many movies have Park Sang-wook and Yoo Dong-geun acted in together?

They have worked on 2 movies together! Their first movie together was Marrying the Mafia (2002) while their highest rated movie together was Marrying the Mafia 5: Return of the Family (2012). They have not worked together since Marrying the Mafia 5: Return of the Family (2012).