In 2017, he starred in his first cable drama, crime thriller "Voice" by OCN, where he played an ex-detective who joined a call center's team to track his wife's killer. "Voice" became a hit and its ratings broke OCN's dramas records when it was aired in Korea. His movie "Ordinary Person" opposite Son Hyun-joo was released in March 2017, where he acted as a manipulative National Planning Security chief. He also starred in weekend drama "Money Flower", earning much acclaim and a Baeksang Arts Awards Best Actor nomination for his role as a revenge-seeking lawyer. The same year, he was cast in action film "The Swordsman".