Kwon Sang-woo (Korean: 권상우) is a South Korean actor. He rose to stardom in 2003 with the romantic comedy film My Tutor Friend and the melodrama series Stairway to Heaven. His other notable credits include the films Once Upon a Time in High School (2004), 71: Into the Fire (2010), The Accidental Detective (2015) and its 2018 sequel, The Divine Move 2: The Wrathful (2019), and Hitman: Agent Jun (2020), as well as the television series Big Thing (2010), Medical Top Team (2013), and Queen of Mystery (2017). He dashed across movie and television screens, which afforded him blockbuster success in terms of ticket sales and viewership ratings, respectively. He rose to stardom for his lead role opposite in TV soap opera Stairways to Heaven and became one of the hottest hallyu stars. Hallyu actor Kwon Sang-woo has begun filming for the Chinese drama Poong Hwa Sul Wul. After completing both foreign productions, Kwon will return to play a more prominent role in the Korean entertainment scene. In February 2025, actor Kwon Sang-woo secured the top spot in the movie star brand reputation rankings, according to the Korea Corporate Reputation Research Institute.