Jo In-woo
— Dong-cheol
Kim Yoo-yeon
— Yoo-jin
Lee Hyeon-seong
— Sang-joon
김늘메
— Maeng-hoon
Yoo Seung-hyeon
— Yeong-mi
Choi Go-eun
— Mal-ja
Lee Hyeon-joo
— Soon-jeong
Kim Jang-dong
— Alumnus 1
이창수
— Alumnus 2
Seon Jeong-hwa
— Alumnus 3
Kim Si-jin
— Alumnus 4
Seo Na-hye
— BAR employee 1
Kim Eun-bi
— BAR employee 2
이주희
— Geum-rye
김건
— Ending male alumni
Moon Jin-yeong
— Male witness
Kim Bo-ri
— Convenience store part-timer
Song Chang-hyeon
— Yoo-jin's husband