Park Jin-joo made her acting debut in the hit 2011 film Sunny, where she played Hwang Jin-hee in the 1980s timeline. Her natural charm and expressive acting quickly made her a recognizable face in Korean entertainment. Over the years, she built a strong career with memorable supporting roles in dramas such as Don't Dare to Dream (2016), Encounter (2018), and Our Beloved Summer (2021).
Beyond acting, Park Jin-joo is also known for her singing talent. She has appeared on variety shows and even competed on King of Masked Singer as “Raincoat Girl.” In 2025, she married a non-celebrity, marking a new chapter in her personal life. With her versatility across comedy, drama, and music, she continues to be a beloved figure in the Korean entertainment industry.