Next Sohee

Kim Si-eun

So-hee

Bae Doona

Yoo-jin

Jung Hoe-ryn

Jun-hee

Kang Hyun-oh

Tae-joon

Bahk Woo-young

Dong-ho

Lee In-young

Eun-ah

Park Hui-eun

So-hee's Mother

Kim Yong-jun

So-hee's Father

Sim Hee-seop

Former Team Manager

Yoon Ga-i

Ji-won

Jung Soo-ha

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

Park Yoon-hee

Director

Choi Hee-jin

Newcomer Team Manager

Yoo Jeong-ho

Head Manager

Moon Jung-woong

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

Kim Tae-yoon

Headquarters Staff 2

Yoo Jae-won

Call Center Colleague Yoo-jeong

Kim Hee-won

Call Center Colleague Seon-ae

Park Seo-kyoung

Call Center Colleague Park Seul-ki

Kim Woo-kyum

Detective Bae

Kim Tae-woong

Detective Kim / Customer Yoon Won-sang (voice)

Song Yo-sep

Chief of Criminal Division

Na Jong-min

Chief of Police Station

Heo Jeong-do

Homeroom Teacher

Park Soo-young

Vice Principal

Kwon Da-ham

Chief of Staff

Hwang Jeong-min

School Vice-Commissioner

Han Hye-ji

Former Team Manager's Wife

Sim Ji-an

Former Team Manager's Son

Eom Ok-ran

Bar Owner

Kim Soo-yeong

Practice Room Member Soo-yeong

Lee Hwa-young

Practice Room Member Hwa-young

Yoo Jae-yeon

Practice Room Member Jae-yeon

Cho Yu-jin

Practice Room Member Min-ji

Lee Ji-ho

Practice Room Member Ji-ho

Jang Eun-jeong

Practice Room Member Eun-jeong

Lee Jong-min

Gopchang Restaurant Man

Oh Joong-hoon

Call Center Guide Staff

Na Won-hee

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

Jo Ha-min

New Colleague Eun-hwa

Kang Hee-min

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

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

Call Center Agent

Park Gun-joo

Tae-joon's Bullying Colleague

Kwon Joon-yeol

Tae-joon's Factory Colleague

Cha Woo-young

Tae-joon's Factory Colleague

Lee Seung-yeong

Tae-joon's Factory Colleague

Yoo Yong-hee

Parking Lot Security Guard

Lee Yoon-ji

Female Employee on Her Way to Work

Min Jae-won

Security Guard

Sin Ho-yeon

Security Guard

Jeon Jeong-hoon

Security Guard

Park Hyeon-gook

Human and Net Staff

Park Seong-woong

Forensic Examiner

Jang In-tae

Funeral Staff

Lee Chae-yeong

Redhead Trainee

Son Yoo-jin

Trainee

Ahn So-jeong

Trainee

Chae-seul

Trainee

Go Eun-seon

Chaperone Teacher

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

Child Going to School

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

Dong-ho's Factory Colleague

Gal Jae-yoon

Funeral Director

Kim Jin-yeong

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

Na Ye-eun

Jun-hee's Fan

Kim Ye-na

Police Station Staff

Chu Eun-kyeong

Police Station Staff

Kim Han-saem

Detective Bae's Stand-In

Moon Seong-ryeol

Customer Seo Jang-woo (voice)

For Love One Dies

Balzac: A Life of Passion

Mein Mann und seine Mütter

Sugar Cookies

Kemek

Heartless

Imagine I'm Beautiful

Miss Marple: The Murder at the Vicarage

The Quiet Hour

Curse of the Black Cat

The Man Who Cried

Green for Danger

Lust for Life

Nothing But the Night

Sole Survivor

Defence of the Realm

The Manhattan Front

Dragging the Chain

Switched for Christmas

Nirvana Man