Actor Choi Dae-hoon is set to make a dramatic comeback in the upcoming SBS Friday-Saturday drama 'Chief Kim,' scheduled for its premiere on June 26 at 9:50 PM. Choi takes on the role of Seong Han-soo, a character who oscillates between his current life as a gentle neighborhood Taekwondo academy director and his hidden past as a decorated gold medalist and elite secret agent. The production team has unveiled teaser stills showcasing the stark contrast in Choi's persona as he balances his role as an instructor for local children with his dormant skills as a martial arts expert. | Actor Choi Dae-hoon is set to make a dramatic comeback in the upcoming SBS Friday-Saturday drama 'Chief Kim,' scheduled for its premiere on June 26 at 9:50 PM. Choi takes on the role of Seong Han-soo, a character who oscillates between his current life as a gentle neighborhood Taekwondo academy director and his hidden past as a decorated gold medalist and elite secret agent. The production team has unveiled teaser stills showcasing the stark contrast in Choi's persona as he balances his role as an instructor for local children with his dormant skills as a martial arts expert.