Yes, they are attractive, but their on-screen personalities are so unpleasant, disturbing, and evil. They were so convincing and potent as villains that the audience liked to loathe them. The fact that these actors are so adaptable and don't fall into preconceived notions makes them able to seamlessly switch from playing the antagonist in one production to the protagonist in another. Here is a list of the Top 10 charming K-Drama actors who played the most villainous characters (*SPOILERS AHEAD*)
1. Taecyeon
Don't be fooled by Jang Jun Woo's charming English accent; if you disobey or enrage him, he won't even look at you before killing you. He whacked Mr. Seo on the head with a hockey stick while making unsettling noises, which is the most horrific act he committed in Vincenzo.
2. Park Hae Jin
Park Hae Jin commonly portrays a cold yet warm type of character in his movies like Man to Man, Cheese in the Trap, Dr. Stranger, and My Love from the Star. With his appearance and a broad range of emotions, Lee Jung Moon in Drama Bad Guys was stunning. The portrayal of Park Hae Jin's evil genius and psychopath serial killer was outstanding.
3. Lee Dong-Wook
Yoon Jong-Woo recently relocated to Seoul and is currently looking for housing. He locates in a cheap apartment & must share the restroom and kitchen with other tenants. Other residents spark Jong-Woo's suspicion since they appear to be quite suspicious. Dentist Seo Moon-Zo has an evil countenance despite having a very kind appearance. He was the master of mind tricks and was always one step ahead of the law in all he did.
4. Park Bo Gum
While he may have won your heart in Love in the Moonlight and Encounter before making his lead acting debut, this handsome lad is a charmer both on film and in real life. In these parts, he embodies the charming romantic ideal, so, surprisingly, he played a sadistic serial killer in the 2015 thriller I Remember You. In the drama, Park received praise for his performance.
5. Lee Jong Suk
Lee Jong Suk, into being excellent in dramas like Pinocchio, While You Were Sleeping, Dr. Stranger and Romance is a Bonus Book, portrayed a cruel serial killer from North Korea in the movie VIP. Definitely, to give weak stomachs nightmares. His portrayal of absolute wickedness was superb. It marked a clear break from his usual charming character.
6. Yoo Seung Ho
My Strange Hero, Yoo Seung-Ho, has also risen to the occasion, always seen as the model good guy lead. In the drama I Miss You, Yoo played the psychotic murderer Kang Hyung Joon. Even while Hyung Joon sincerely loves his girlfriend, there is no telling how far he may go to get revenge if his jealousy flares up. His beautiful smile makes the character even more terrifying.
7. Do Kyungsoo
My Strange Hero, Yoo Seung-Ho, has also risen to the occasion, always seen as the model good guy lead. In the drama I Miss You, Yoo played the psychotic murderer Kang Hyung Joon. Even while Hyung Joon sincerely loves his girlfriend, there is no telling how far he may go to get revenge if his jealousy flares up. His beautiful smile makes the character even more terrifying.
8. Kwon Yul
University student Park Bong-Pal can perceive ghosts. He makes money by doing exorcisms as well. He once encountered a spirit named Hyun-Ji, who had died at the young age of 19 and had no knowledge of her past. The university's young professor of veterinary medicine is named Joo Hye-Sung. Despite being controlled by an evil spirit, he has a positive and helpful personality.
9. Kim Jae Wook
You might be familiar with Kim Jae Wook from Coffee Prince and Ryan Gold, Park Min Young's love interest in Her Private Life. Kim Jae Wook is best known for playing a serial killer whose voice acted as the only indicator of his evil deeds.
10. Nam Goong Min
Nam Goong Min effortlessly charms the viewers of romantic television shows like Beautiful Gong Shim and the Good Manager with his charisma. A psycho killer takes pleasure in his victims suffering and imprisons them in a basement. One is left wondering how perfectly a single actor can play both a good guy and a nasty guy.