Kim, 24, was one of South Korea's most promising actresses and starred in a number of box-office hits, most recently in the 2023 hit Netflix series Bloodhounds.
South Korean actress Kim Sae-ron has been found dead at her home in Seoul, according to the Yonhap news agency.
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She attempted to return to acting last year but later removed herself again over health issues, according to Yonhap.
Kim rose to prominence in 2009 with her role in A Brand New Life, which saw her appear at the Cannes Film Festival.
