Yoon Park
— Swallow
Woo Ji-hyeon
— Ho-yeon
Park Mi-Hyeon
— Eun-sook
장희령
— Eun-sook (young)
이대연
— Hyun-soo
박소진
— Eun-mi
Yoo In-soo
— Hyun-soo (young)
Park Myung-shin
— Jin-gyeong
Jeon Soo-jin
— Jin-gyeong (young)
Park Soo-young
— Manager Kim
Jeong Seung-gil
— Tae-mok
장리우
— Woman staff
황기석
— Sang-woo
Kim Hyun-mok
— Tae-mok (young)
김응수
— Jung-bae
구성환
— Sang-hyun
원태희
— Investigator
김왕근
— Jung-ho
Kim Dong-hwan
— DH staff