Kwak Dong-yeon, is a South Korean actor and musician. He made his acting debut in the television series My Husband Got a Family in 2012 for which he received Best Young Actor Award at the Korea Drama Awards. Wikipedia
This musical series takes place four years before the events of "Grease;" four fed-up outcasts dare to have fun on their own terms, sparking a moral panic that will change Rydell High forever.