Jeong Jae-yeong (born Jeong Ji-hyeon; November 21, 1970) is a South Korean actor. He's best known for his roles in the critically acclaimed films Silmido (2003), Right Now, Wrong Then (2015), and On the Beach at Night Alone (2017). For his work in films, he won the Best Actor and Best Supporting Actor awards at the Blue Dragon Film Awards, Busan Film Critics Awards, Director's Cut Awards, Korean Association of Film Critics Awards, 9th Asia Pacific Screen Awards and Locarno International Film Festival.