Song Joong Ki ÔÇô Vincenzo He is the consigliere of the Italian mafia ÔÇťCasano Family.ÔÇŁ HeÔÇÖs absolutely loyal to his boss and his family is the law. He is the best lawyer who cleans up the mess neatly, and nobody can refuse his proposals. He gives as good as he gets and has excellent martial arts skills but hides it. He is always a gentleman towards ladies, but he has zero belief in love. After meeting Cha Young, he unexpectedly goes up against injustice. Jeon Yeo Bin ÔÇô Hong Cha Young She is an ace lawyer of the law firm ÔÇťWoo SangÔÇŁ who is heavily armed with spite and desire to win. For Cha Young, the absolute standard is not good or bad, but profitable or nonprofitable. With this belief, she does whatÔÇÖs needed by hook or by crook. Success and purposes are the only driving force for her growth, and she has no particular interest in justice. Ok Taec Yeon ÔÇô Jang Jun Woo He is a handsome intern lawyer of the law firm ÔÇťWoo Sang.ÔÇŁ He is a simple and innocent young man who studied abroad. He follows around his sunbae Cha Young and has special feelings for her, so his dream is to start a workplace romance with her. However, Cha Young left the company, and to make matters worse, Vincenzo is always next to her, starting a whirlwind in his mind. Kim Yeo Jin ÔÇô Choi Myung Hee She is the ace prosecutor of the Southeast District ProsecutorsÔÇÖ Office. She seems frugal and somewhat plain on the outside, but inside, she harbors a poisonous snake. She doesnÔÇÖt even blink an eye in performing merciless acts if itÔÇÖs for her goal. ┬á Kwak Dong Yeon ÔÇô Jang Han Seo He is the chairman of the ÔÇťBabel Group.ÔÇŁ He has no guilt and doesnÔÇÖt hesitate to commit violence for his own good, but at the same time is a coward. He lies, powertrips and tyrannizes habitually but is terrified of standing on a photo line or getting sent to a lockup. á He is pathologically obsessed with winning, and he has to win no matter how trivial the game might be. ┬á Jo Han Chul ÔÇô Han Seung Hyuk He is the CEO of KoreaÔÇÖs top law firm ÔÇťWoo Sang.ÔÇŁ He succumbs to the strong and thoroughly tramples down the weak. Thinking that he is to get a huge share in the near future, he goes all-in on Babel Group. He recruits Myung Hee for his goal, but he is soon cornered when Vincenzo stepped into the picture. ┬á Yoo Jae Myung ÔÇô Hong Yoo Chan He is the CEO and lawyer of the law firm ÔÇťJipuragi,ÔÇŁ which is located on the outskirts of Seoul and in a rundown plaza building. Back when he was a human rights lawyer, he lost his wife in an accident and drifted apart from his daughter Cha Young. As the legal representative of the plaza residents, he guards against Vincenzo, who showed up with the building owner, but the more time he spends with him, they build trust for each other and leads Vincenzo to a new life by changing his values.