Kim Hak-sun is a South Korean actor. He made his acting debut in 2000 in theaters, since then, he has appeared in number of plays, films and television series. He got recognition for his supporting roles in Fight for My Way, Black Dog: Being A Teacher, Do You Like Brahms?, Voice and Crazy Love. He has acted in films such as: Vanishing Time: A Boy Who Returned, Winter's Night, Juror 8 among others.