Park Yong-kyu (Korean: ???; born December 16, 1988), better known by the stage name Park Seo-joon (???), is a South Korean actor. He is best known for his starring roles in the television series Fight for My Way (2017), What's Wrong with Secretary Kim (2018), Itaewon Class (2020), and Gyeongseong Creature (2023–2024).[4] He has also appeared in films such as The Chronicles of Evil (2015), Midnight Runners (2017), The Divine Fury (2019), Concrete Utopia (2023), and The Marvels (2023).