Biography: Park Hye-Su (Korean: 박혜수; born November 24, 1994), also spelled as Park Hye-soo, is a South Korean actress and singer. She participated in K-pop Star 4 as a contestant. Park rose to fame for her role in Hello, My Twenties!. Park has also been in the dramas and films Yong Pal (2015), Saimdang,...