속닥속닥

So Joo-yeon

Eun-ha

Kim Min-gue

Min-woo

Choi Hee-jin

Jeong-yoon

Kim Tae-min

Dong-il

Kim Young

Woo-sung

Shin Jae-seung

Byeong-yoon

Park Jin

Hae-guk

Kang Se-jung

Mi-joo

Lee You-mi

Byun Ji-eun

Lee Han-seo

Chairman Choi's Daughter

Ji Dae-han

Man at the Internet Cafe

Jin Yong-uk

Homeroom Teacher

Seo Min-chae

Female Teacher

Lim Han-bin

Eun-Sung

Kyeong-hee Han

Eun-ha's mom