속닥속닥

소주연

Eun-ha

김민규

Min-woo

Choi Hee-jin

Jeong-yoon

김태민

Dong-il

Kim Young

Woo-sung

박진

Hae-guk

Kang Se-jung

Mi-joo

Ли Ю-ми

Byun Ji-eun

Ли Хан Со

Chairman Choi's Daughter

지대한

Man at the Internet Cafe

진용욱

Homeroom Teacher

임한빈

Eun-Sung

Kim Min-seong

Police Officer 2

황신혜

Classroom Ghost Cameo

전현수

Ghost 1

Kim Hyun-woo

Ghost 5

Ким Ми Хва

Citizen 4

Kang Na-Young

Citizen 17

Чха Ын-у

Citizen 21

김진영

Student 5

Choi Seo-hyun

Student 12

Kim Soo-bin

Student 13

이필모

Chairman Choi

Alyssa Soebandono

Miya