Biography: Jihae Kim (born February 7, 1974, or 1984), better known by the mononym Jihae, is a South Korean singer, actress and model. She debuted as a singer in 2007 and has since released four full-length albums. As an actress, she has appeared in the miniseries Mars (2016), the film Mortal Engines (2018), the Netflix series Altered Carbon and the HBO series Succession.