

By Dramabeans
The Great Seducer
Kang In
Kim Bo-yeon
32
35 minutes
MBC TV
South Korea
Korean
Source: Wikipedia

Yoo Joo-hwan, Hye-jung's boyfriend who is a bartender.
Seol Young-won, Tae-hee's mother.
Priest Matteo
Kwon Yeo-min, Si-hyeon's cousin.
Ji-young, Si-hyeon's ex-girlfriend who is a lawyer.
Young Choi Su-ji
Choi Su-ji, the daughter of a hospital director and the initiator of Tae-hee's seduction. She has been Si-hyeon and Se-ju's friend since childhood, but she loves Si-hyeon. Kim Min-ju as young Choi Su-ji
Kwon Seok-woo, Si-hyeon's father and Seol Young-won's old love.
Kwon Si-hyeon, the sole grandson and heir in the JK Group conglomerate who bets his life in a dangerous game of love. As he tries to seduce Tae-hee he gradually begins to fall for her. Ji Min-hyuk as young Kwon Si-hyeon
Park Hye-jung, the daughter of an F&B CEO, and Gi-young's future fiancée.
Ko Kyung-joo, Tae-hee's best friend.
Jung Na-yoon, Kyung-ju's mother
Myung Mi-ri, an ambitious and established doctor. Su-ji's mother. Kwon Seok-woo's fiancé.
Young Kwon Si-hyeon
Oh Se-ri, So-joo's Sister-in-law
Hong Sook-hee, Shi-hyun's grandmother and president of JK Group family
Eun Tae-hee, a 20-year-old hardworking college student, who after watching her parents unhappy marriage fall apart, believes that being swayed by love is the most pitiful thing until she meets Si-hyeon.
Lee Se-ju, a playboy chaebol who is Si-hyeon and Su-ji's best friend and is madly in love with Su-ji but rather has her as his friend as he knows about her feelings towards Si-hyeon.