What actor born in 1973 starred in a 2003 South Korean film directed by Bong Man-dae?
Kim Sung-soo (actor):  After beginning his career as a fashion model, Kim made his acting debut in the tokusatsu series "Vectorman" and the erotic film "The Sweet Sex and Love". The Sweet Sex and Love:  It was directed by Bong Man-dae and starred Kim Seo-hyung and Kim Sung-soo.
i don't know