Bae Yu-ram

as Dong-hwa

as Lecturer

as Jo Hyun-soo

as Lee Young-chan

as Hyeok Su

as Quarantine officer

as Yoo-ram

as Cho Man-sik

as Woo-seong

as Detective Bae

as the dad

as Kim Yeong

as Helium Balloon High Schooler

as Yong-min

as Public Official Moon

as Detective Bae

as Team Leader Kang

as Seong-min

as Seong-min (segment 1)

as Young Hong-goo

as Jae-ho

as deer

as Ki-hwan

as Toy N Joy staff

as Jung-bae

as Jin-woong

as Yong-sik

as Halibut

as Police Officer

as Jin-woo

as Man-il

as [Gi Myeong's classmate]

as Dae-hyun

as Student

as Student

as Lee Yu-jin

as Self

as Park Chan Sung

as [Youtuber]

as Jung Ho-kyu (Eps 1, 2)

as 5-7

as Park Chan Young

as Jesse

as Hacker Park

as Park Jin-eon

as Kim Gyu

as Suk-pil

as Kang Hae-soo

as Han Seok Won [Mi Joo's ex-boyfriend]

as PD

as Ban Ji-deuk

as Park Moo Ha

as Kim Joo Hyung

as Choi Jae ho [Joon Seo's Seoul PD colleague]

as Kwon Kyung-Hoon

as Ahn Gye Dong [MRBI staff]

as Lee Jin Soo

as Mr. Yoo [Assistant manager]

as PD [So Hyeong's colleague]

as Ryoo Il-ryong

as Oh Sang-shik (young)

as Seok Chan

as Self

as Self