Kwon Sang-woo (Korean: 권상우) is a South Korean actor, famous for 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 has garnered numerous accolades, including multiple SBS Drama Awards and nominations for the Baeksang Arts Awards. Kwon Sang-woo starred in the Chinese drama Poong Hwa Sul Wul.