How many movies have Yim Woon-hak and Yun Yeong-un collaborated on?

They have worked on 2 movies together! Their first movie together was The River of Temptation (1958) while their highest rated movie together was King Gojong and Martyr An Jung-Geun (1959). They have not worked together since King Gojong and Martyr An Jung-Geun (1959).