Jeong Da-eun
— Sun-hee / Seul-ki
Park Soo-yeon
— Jung-mi
전국향
— Orphanage Director
김재화
— Ms. Kim
Jang Hye-jin
— Instructor
Jung Yi-jae
— Bus Terminal Staff
Kim So-sook
— Jung-mi's Mother
Kim Min-yeop
— Orphanage Teacher
Yoon Ga-i
— Bang-wool
권귀빈
— Mother on Bus
임형국
— Dad
이승연
— Mom
박성택
— Detective 1
정종열
— Detective 2
이남경
— Min-gyeong