Character sketches
Park Shin-hye as Yoo Hye-jung Hye-jung is a helpless gangster that becomes a doctor. Because Hye-jung had suffered from abuses in her upbringing, she has a tough personality and ready-to-fight mentality. With Ji-hong's help, he shows her the errors of her way and makes the transformation of being a better person. -
Kim Rae-won as Hong Ji-hong Hong is a gifted surgeon with congeniality and popularity. He becomes a mentor to Hye-jung; therefore, she slowly transforms into a doctor through his guidance and help. -
Lee Sung-kyung Hye-jung's main rival, a former high school classmate and a fellow neurosurgeon. -
Yoon Kyun-sang as
Jung Yoon-do is the elder son of one of the country's leading conglomerate families. In order to free himself from his father's expectations for him to take over the company, he becomes a doctor (neurosurgeon). He later falls for the gangster-turned-doctor Hye-jung. -
Ji Soo as Soo Chul Hye-jung's first love, who leaves a big impact on her life.
Kim Min-seok as Choi Kang-joo Kang-joo is a neurosurgeon who graduated from a top University, and competes with Hye-jung for the title of "Best Neurosurgeon". He is also a popular blogger who writes about the story of Hye-jung's transformation from a gangster to a doctor, and later develops a crush on her. -
Credit Asianblog
My Note
Yoon Do also falls for Hye Jung....
Thanks DOH!
I just could not find any info about her. Googling did not yield any results.