Woo Do-hwan as Jo Eun-seob (left) and Jo Young in the series 'The King: Eternal Monarch'.
When watching The King: Eternal Monarch, do pay special attention to actor Woo Do-hwan as he plays two roles in this fantasy K-drama, headlined by Lee Min-ho and Kim Go-eun.
According to Woo, 27, he put a lot of effort to ensure the two characters remain as far apart as possible.