First, Lee Ga Sub from Jirisan is a man Jun Ji Hyun and Ju Ji Hoon suspect as a serial killer. He was first seen as Jun Ji HyunŌĆÖs assistant but became the central key in the dramaŌĆÖs twist with his ambiguous attitude. On the other hand, Kang Hoon plays Hong Deok Ro, JunhoŌĆÖs aide, who comes into conflict with Lee Se Young, in The Red Sleeve. He has established his position as a villain from early on by revealing his ambition to extend his influence by using Junho. Appearing on two dramas with 7% and 9% ratings, they have successfully left a deep impression on the viewers. Lee and Kang have honed their prowess, playing small roles in multiple projects for about ten years. Meanwhile, Yoon Na Moo and Baek Hyun Jin are heating up the small screen with impudent characters. In Now, We Are Breaking Up, Yoon Na Moo is playing the husband of Park Hyo Joo, Song Hye KyoŌĆÖs close friend. HeŌĆÖs inducing anger from the viewers by playing a man having an affair with his subordinate without knowing that his wife has pancreatic cancer. Thanks to his performance, his appearance as powertrip heir in SBSŌĆÖs Your Honor is also gaining attention. Lastly, Baek Hyun Jin has turned into an ultimate villain in Happiness, set in the city where the zombie virus had spread. He plays the doctor who constantly puts Park Hyung Sik and Han Hyo Joo in danger. This is not his first villain role. He played the evil boss in the movie Samjin Company English Class and SBSŌĆÖs Taxi Driver. ┬Ā Source (1)