Lee Shin, Baek Seung Jo & Lee Min Ho, are members of the popular band "Cross". Each of them, apart from being extremely handsome, are know as the "Ice Princes" given that apart from their friendship, they don't care about anything else. 

Suzy, Hannah & Tara are three exchange students from the united states, who have finally come back to their dear homes in Korea. The Three girls have been best friends since kindergarten and each of them are from 3 of the wealthiest families in Korea. 

Characters:

Park Min Young as Tara

Tara is a very smart girl who doesn't really believe in love. She believes it just makes people do silly things. Even though she doesn't believe in love, she loves her family and friends, and deep inside she secretly wishes for someone to come and prove her wrong...

Park Shin Hye as Hannah

Hannah is the romantic one from the group. She believes someday she will find her soulmate and that she'll be happy forever. She is the carefree one, but that doesn't mean that she lets herself get in dangerouse situations. She is an amazing photographer, and dreams of becomeing one of the best ones in Korea.

Jung So Min as Suzy

Suzy is the musical one in the group. She can play almos any instrument, but she prefers to use her voice. She is certain that you don't need a guy in your life to be happy. In fact, she has never had a boyfriend even though she is very popular with guys. Due to her divorced parents, she has put an ice barrier in her heart, which only her two best friends have gotten through.

Kwon Seon Mi (Solbi) as Solbi

Solbi is Hannah's older step-sister. She's in College and she's a very nice person. Hannah and Solbi are really close because before their parents got married, they were both only childs. Solbi has been hurt in the past but that doesn't stop her from meeting new guys, because she's sure that the right one will come along someday.

Choi Jin Ri (Sulli) as Sulli

Sulli is Suzy's cousin. She also came from the United States and is now staying at Suzy's house. She enrolls a couple of weeks later than the girls. She has a very good relationship with Suzy and her friends. She is really excited to see what destiny has prepared for her.

Kim Hyun Joong as Baek Seung Jo

Seung Jo is the bass player for his band "Cross". He is known for his incredible fashon sense and for his cold personality. He is a very sweet guy, but he's only his true self with his friends, due to the fact that he was once betrayed by his first and only love. 

Jung Yong-Hwa as Lee Shin

Shin is the lead singer and guitar player and also the responsible one.The one who thinks everything over before acting. He is empty, emotion wise given to that fact that he "feels" with his mind instead of his heart. The only true feeling he has, is towards his fellow band members who he considers his brothers.

Lee Min Ho as Lee Min Ho

Min Ho is the drums player from "Cross". He's the reckless one of the group, and since he's always going up and down, he doesn't really pay mucho attention to girls. He's a goofball, and is really a very nice person on the insdide, he just needs someone who can bring out that side of him.

Lee Sun-ho (Andy) as Andy

Andy is a very shy, sweet and cute guy. He usually tries to stay out of people's way and loves helping others. He is very afraid of opening his heart to people. He became one of Cross' close friend because he helped them get the job at Catharsis. He's currently in College now, but he never misses one of Cross' shows.

Choi Min Ho as Alex

Alex is an athlete, and a star student. He's got everything a girl would want. Looks, brains, personality, a bright future as an athletic star. The only problem is that he's so focused on his career, and school, that he barely has a time for anything.