Next Sohee

So-hee

Kim Si-eun

Yoo-jin

Bae Doona

Jun-hee

Jung Hoe-ryn

Tae-joon

Kang Hyun-oh

Dong-ho

Bahk Woo-young

Eun-ah

Lee In-young

So-hee's Mother

Park Hui-eun

So-hee's Father

Kim Yong-jun

Former Team Manager

Sim Hee-seop

Ji-won

Yoon Ga-i

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

Jung Soo-ha

Director

Park Yoon-hee

Newcomer Team Manager

Choi Hee-jin

Head Manager

Yoo Jeong-ho

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

Moon Jung-woong

Headquarters Staff 2

Kim Tae-yoon

Call Center Colleague Yoo-jeong

Yoo Jae-won

Call Center Colleague Seon-ae

Kim Hee-won

Call Center Colleague Park Seul-ki

Park Seo-kyoung

Detective Bae

Kim Woo-kyum

Detective Kim / Customer Yoon Won-sang (voice)

Kim Tae-woong

Chief of Criminal Division

Song Yo-sep

Chief of Police Station

Na Jong-min

Homeroom Teacher

Heo Jeong-do

Vice Principal

Park Soo-young

Chief of Staff

Kwon Da-ham

School Vice-Commissioner

Hwang Jeong-min

Former Team Manager's Wife

Han Hye-ji

Former Team Manager's Son

Sim Ji-an

Bar Owner

Eom Ok-ran

Practice Room Member Soo-yeong

Kim Soo-yeong

Practice Room Member Hwa-young

Lee Hwa-young

Practice Room Member Jae-yeon

Yoo Jae-yeon

Practice Room Member Min-ji

Cho Yu-jin

Practice Room Member Ji-ho

Lee Ji-ho

Practice Room Member Eun-jeong

Jang Eun-jeong

Gopchang Restaurant Man

Lee Jong-min

Call Center Guide Staff

Oh Joong-hoon

New Colleague Myeong-kyeong / Customer Koo Min-seo (voice)

Na Won-hee

New Colleague Eun-hwa

Jo Ha-min

Call Center Agent / Customer Lee Joo-bin (voice)

Kang Hee-min

Call Center Agent

Ko Ha-eun

Call Center Agent

Kim Do-yeon

Call Center Agent

Kim Mi-ri

Call Center Agent

Kim Soo-yeon

Call Center Agent

Kim Chae-won

Call Center Agent

Kim Hye-yoon

Call Center Agent

Park Hyeon-yeong

Call Center Agent

Park Hyeon-ha

Call Center Agent

Baek Seo-yeon

Call Center Agent

Son Jin-joo

Call Center Agent

Yang Ah-reum

Call Center Agent

Yang Yeon-hee

Call Center Agent

Yoon So-hee

Call Center Agent

Yoon Ye-hyeon

Call Center Agent

Lee Se-min

Call Center Agent

Lee Soo-bin

Call Center Agent

Lee Yoo-song

Call Center Agent

Lee Han

Call Center Agent

Im Jin-kyeong

Call Center Agent

Jin Min-jeong

Call Center Agent

Choi Ha-won

Tae-joon's Bullying Colleague

Park Gun-joo

Tae-joon's Factory Colleague

Kwon Joon-yeol

Tae-joon's Factory Colleague

Cha Woo-young

Tae-joon's Factory Colleague

Lee Seung-yeong

Parking Lot Security Guard

Yoo Yong-hee

Female Employee on Her Way to Work

Lee Yoon-ji

Security Guard

Min Jae-won

Security Guard

Sin Ho-yeon

Security Guard

Jeon Jeong-hoon

Human and Net Staff

Park Hyeon-gook

Forensic Examiner

Park Seong-woong

Funeral Staff

Jang In-tae

Redhead Trainee

Lee Chae-yeong

Trainee

Son Yoo-jin

Trainee

Ahn So-jeong

Trainee

Chae-seul

Chaperone Teacher

Go Eun-seon

Child Going to School

Kang Seo-hoo

Child Going to School

Kwon Hae-rin

Child Going to School

Bae Seo-eun

Child Going to School

Seo Hyo-won

Child Going to School

Seo Jae-hee

Child Going to School

Lee Eun-gyoo

Dong-ho's Factory Colleague

Kim Ki-hyun

Dong-ho's Factory Colleague

Kim Jae-beom

Dong-ho's Factory Colleague

Kim Jong-hak

Dong-ho's Factory Colleague

Nam Yoon-gi

Dong-ho's Factory Colleague

Seo Sang-woo

Dong-ho's Factory Colleague

Heo Geon-haeng

Funeral Director

Gal Jae-yoon

Technical Team Staff / Customer Cho Sang-wook (voice) / Customer Jeong Doo-wan (voice)

Kim Jin-yeong

Jun-hee's Fan

Na Ye-eun

Police Station Staff

Kim Ye-na

Police Station Staff

Chu Eun-kyeong

Detective Bae's Stand-In

Kim Han-saem

Customer Seo Jang-woo (voice)

Moon Seong-ryeol