Han Suk-Kyu, Seo Kang-Joon and Kim Hyun-Joo are cast for lead roles in OCN drama series “Watcher.” All three performers will play members of an internal affairs investigation team for the police. Their backgrounds are different on why they joined the team. Han Suk-Kyu will play former detective Do Chi-Gwang. He is the leader of the internal affairs team. Seo Kang-Joon will play former police officer Kim Young-Koon. Lastly, Kim Hyun-Joo will play former prosecutor/lawyer Han Tae-Joo.
“Watcher” will first air sometime during the second half of this year in South Korea.