Seo Hyun-jin is a South Korean actress and singer. She is best known for her roles in the TV Dramas Black Dog (2019), The Beauty Inside (2018), The Beauty Inside (2017), The Beauty Inside (2016 - 2017), Another Miss Oh (2016), The Three Musketeers (2014), The King's Daughter, Soo Baek-hyang (2013 - 2014), Feast of the Gods (2012) and The Duo (2011).