성실한 나라의 앨리스

이정현

Soo-nam

이해영

Gyu-jung

서영화

Kyung-sook

동방우

Do-chul

이준혁

Hyeong-seok

배제기

Detective Jo

이대연

Subsection Chief

박은영

Hee-jeong

지대한

Detective Park

정영기

Young Doctor

Jung Hye-ji

Yeong-mi

Seo Joon-seo

Yeong-mi's Son

정애화

Supermarket Owner

Jeong Gye-soon

Hyeong-seok's Mother

김추월

Female Chief

박관식

Otolaryngologist

Sin Seong-sik

Homeroom Teacher

Choi Seong-hyeon

Fat Kid

김미희

Apartment Advertisement Woman

Cha Won-gyoo

Apartment Advertisement Man