Seo Ji-hye is a South Korean actress. After first attracting attention in the horror film Voice (2005), Seo has since starred in numerous television dramas, notably 49 Days (2011), Punch (2014), Don't Dare to Dream (2016), Crash Landing on You (2019), and Red Balloon (2022–2023).

Voice is a 2005 South Korean horror film, and the fourth installment of the Whispering Corridors film series. The film was the debut film for its three young actresses, as well as director Choi Ik-Hwan, who had served as an assistant director on the first film of the series.