Do Kyungsoo, better known by his stage name D.O., is a South Korea singer and actor. He is a member of the South Korean-Chinese boy group EXO. In 2014, D.O. made his acting debut in the movie "Cart". In 2014, D.O. played his first small screen supporting role in the SBS drama "It's Okay, That's Love". In 2015 Do Kyungsoo was ranked number one by critics among 40 idol-actors who participated in dramas in 2014.