Who starred in Jo Jin-kyu's 2016 film "Sweet Sixteen"?
Jo Jin-kyu: Jo Jin-kyu (born 1960) is a South Korean film director. Sweet Sixteen (2016 film): Sweet Sixteen (, literally combining the names of the main characters) is a 2016 Chinese-South Korean romance film directed by Jo Jin-kyu and starring Kris Wu, Han Geng, Joo Won and Lu Shan. Sweet Sixteen (2016 film):  It was released in China by Heng Ye Film Distribution on August 5, 2016.
i don't know