After taking some supporting roles and appearing on TV commercials, he was cast—to everyone's surprise—as the leading actor for the Spring Waltz, the fourth and final feature of the season-themed drama series by TV director Yoon Seok-ho.
He started with smaller parts and television commercials before being chosen to play the main role in "Spring Waltz," the last episode of a seasonal drama series directed by Yoon Seok-ho.