as Woo-seong

as Lee Young-chan

as Helium Balloon High Schooler

as Public Official Moon

as Toy N Joy staff

as Jung-bae

as Quarantine officer

as Yoo-ram

as Halibut

as Jo Hyun-soo

as Hyeok Su

as Seong-min

as Dong-hwa

as Yong-sik

as Young Hong-goo

as Jin-woo

as Dae-hyun

as Jae-ho

as Jin-woong

as Yong-min

as Detective Bae

as Team Leader Kang

as Seong-min (segment 1)

as Student

as Cho Man-sik

as Kim Yeong

as Man-il

as Detective Bae

as Student

as deer

as the dad

as Police Officer

as Lecturer

as [Gi Myeong's classmate]