Biography
Park Sung-hoon is a South Korean actor. He began his career with a small role in the film A Frozen Flower (2008) and appeared in Woochi: The Demon Slayer (2009). He performed in theatre productions including Rooftop Room Cat, The History Boys and Model Students, and took supporting roles in the television series Three Days (2014), Six Flying Dragons (2015–2016) and Don't Dare to Dream (2016).
Park gained wider attention with Gonjiam: Haunted Asylum (2018) and the series My Only One (2018–2019). He has since played leading and notable supporting roles, including villainous characters in The Glory (2022–2023) and Queen of Tears (2024), and Cho Hyun-ju / Player 120 in seasons 2 (2024) and 3 (2025) of Squid Game.
