Career
He made his first appearance on television as a college student on a cooking show in 1998, then starred in the controversial film Summertime (2001). After his discharge, Ryu returned to television in 2011 in the romantic comedy My Princess, and the popular family drama Ojakgyo Family. In 2013, he joined the reality/variety show Real Men, in which male celebrities visit army bases and experience daily life there.
He also played a detective chasing a fugitive in Two Weeks (2013).