Dr. Bae is the doctor at Choogdong Hospital who assisted Sun in the birthing of her daughter, Ji Yeon Kwon. While he wanted to perform a C-section, Sun refused so that the baby could be born in front of Jin. The baby was born naturally, and Dr. Bae handed her to Sun. ("Ji Yeon")
- During casting Dr. Bae was described as "male, early 30s, Korean. Professional and accomplished, a calming presence in times of crisis. Working his regular shift, he gets more than he bargained for. Must be able to speak Korean...Co-star"