Kwon debuted in the popular movie, My Tutor Friend (2003), but it was his character as Cha Song Joo in Stairway to Heaven alongside Choi Ji Woo that boosted his popularity, especially in Asian countries.
Kwon Sang Woo
![](https://www.soompi.com/wp-content/uploads/2012/09/Kwon-Sang-Woo.jpg?w=570)
Kwon debuted in the popular movie, My Tutor Friend (2003), but it was his character as Cha Song Joo in Stairway to Heaven alongside Choi Ji Woo that boosted his popularity, especially in Asian countries.