By Dramabeans
Kim Seok-yoon
Seo In
16
70 minutes
JTBC
South Korea
Korean
Source: Wikipedia
Kim Eun-sook, a judge-turned-professor who teaches civil law. She is a 'fun to be with' professor who is liked by her students. She is a good friend of Professor Yang, and tries her best to prove him innocent.
Kang Sol B, a first-year student. She is Kang Sol A's roommate. She belongs to a rich family and is continuously pressured by her mother to perform well and get to the top.
Yang Jong-hoon, a prosecutor-turned-professor who teaches criminal law. He is stern and cold, but people close to him know how kind he really is.
Park Geun-tae
Kang Dan / Erica Shin, Sol A's twin sister who has a secret story. She decided to move to Boston, USA.
Seo Byung-ju
Jin Hyeong-u
Jeon Ye-seul, a first-year student. She is abused by her boyfriend, who is Assemblyman Ko's son as well.
Oh Jung-hee
Seo Ji-ho. He is a smart yet indifferent student who is trying to get revenge for his father's death.
Kang Byeol, Kang Sol A's younger sister
Ko Young-chang, Ye-seul's boyfriend.
Sung Dong-il
Han Joon-hwi, a first-year student who always gets the top grades among his peers. He is a smart student who is also the nephew of the murdered professor. An Seong-won as young Joon-hwi