He did his own stunts in action drama "The K2". He underwent special training in martial arts for his role as an elite bodyguard."The K2" was was the first Korean drama to use the Matrix-style "Bullet Time effect" and showcased various fighting techniques such as jujistsu, aikido and taekwondo. The actor performed all of his stunts and did not use a body double. In an interview with Sports Chosun, he said that this was the most strenuous project he had done so far and he was going to take a break from action scenes for the time being.