Kim Ha-neul

["Seo Jeong-won"]

Yeon Woo-jin

["Kim Tae-heon"]

Jang Seung-jo

["Seol Woo-jae"]

Jung Woong-in

["Chairman Seol"]

Yoon Gai

["Nurse Choi"]

Kim Min-kyu

["Cha Geum-sae (Eun-sae's older brother)"]

Yoon Jung-Hoon

["Oh Myeong-soo"]