Next Sohee

Kim Si-eun

So-hee

Acting

Bae Doona

Yoo-jin

Acting

Jung Hoe-ryn

Jun-hee

Acting

Kang Hyun-oh

Tae-joon

Acting

Bahk Woo-young

Dong-ho

Acting

Lee In-young

Eun-ah

Acting

Park Hui-eun

So-hee's Mother

Acting

Kim Yong-jun

So-hee's Father

Acting

Sim Hee-seop

Former Team Manager

Acting

Yoon Ga-i

Ji-won

Acting

Jung Soo-ha

Jung-in / Customer Oh Joo-yeon (voice)

Acting

Park Yoon-hee

Director

Acting

Choi Hee-jin

Newcomer Team Manager

Acting

Yoo Jeong-ho

Head Manager

Acting

Moon Jung-woong

Headquarters Staff 1 / Customer Choi Cheol-woong (voice)

Acting

Kim Hee-won

Call Center Colleague Seon-ae

Acting

Park Seo-kyoung

Call Center Colleague Park Seul-ki

Acting

Kim Woo-kyum

Detective Bae

Acting

Song Yo-sep

Chief of Criminal Division

Acting

Heo Jeong-do

Homeroom Teacher

Acting

Park Soo-young

Vice Principal

Acting

Kwon Da-ham

Chief of Staff

Acting

Hwang Jeong-min

School Vice-Commissioner

Acting

Han Hye-ji

Former Team Manager's Wife

Acting

Eom Ok-ran

Bar Owner

Acting

Lee Hwa-young

Practice Room Member Hwa-young

Acting

Cho Yu-jin

Practice Room Member Min-ji

Acting

Ko Ha-eun

Call Center Agent

Acting

Park Gun-joo

Tae-joon's Bullying Colleague

Acting

Cha Woo-young

Tae-joon's Factory Colleague

Acting

Lee Yoon-ji

Female Employee on Her Way to Work

Acting

Kim Ye-na

Police Station Staff

Acting

Chu Eun-kyeong

Police Station Staff

Acting