How many movies have Hwang Jeong-sun and Lee Jeong-seon collaborated on?

They have worked on 4 movies together! Their first movie together was Prince Ho-Dong and Princess Nak-Rang (1956) while their highest rated movie together was King Gojong and Martyr An Jung-Geun (1959). They have not worked together since A Cross of Love (1959). They are most known for their romance films together.