Ahn Sung-ki
Park's wife is Zainichi Korean born in Niigata. He therefore often visits Japan with his family. This experience made his ability to speak Japanese improved. Park is opposed to reducing Screen quota, along with Ahn Sung-ki, Choi Min-sik and others; he became second actor (the first is Ahn, and the third is Choi) of relay demonstration by actors and film directors, on February 5, 2006.