Casts

• 

  김시은

  So-hee

• 

  배두나

  Yoo-jin

• 

  정회린

  Jun-hee

• 

  강현오

  Tae-joon

• 

  박우영

  Dong-ho

• 

  이인영

  Eun-ah

• 

  박희은

  So-hee's Mother

• 

  김용준

  So-hee's Father

• 

  심희섭

  Former Team Manager

• 

  윤가이

  Ji-won

• 

  정수하

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

• 

  박윤희

  Director

• 

  최희진

  Newcomer Team Manager

• 

  유정호

  Head Manager

• 

  문정웅

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

• 김태윤

  Headquarters Staff 2

• 유재원

  Call Center Colleague Yoo-jeong

• 

  김희원

  Call Center Colleague Seon-ae

• 

  박서경

  Call Center Colleague Park Seul-ki

• 

  김우겸

  Detective Bae

• 김태웅

  Detective Kim / Customer Yoon Won-sang (voice)

• 

  송요셉

  Chief of Criminal Division

• 나종민

  Chief of Police Station

• 

  허정도

  Homeroom Teacher

• 

  박수영

  Vice Principal

• 

  권다함

  Chief of Staff

• 

  황정민

  School Vice-Commissioner

• 

  한혜지

  Former Team Manager's Wife

• 심지안

  Former Team Manager's Son

• 

  엄옥란

  Bar Owner

• 김수영

  Practice Room Member Soo-yeong

• 

  이화영

  Practice Room Member Hwa-young

• 유재연

  Practice Room Member Jae-yeon

• 

  조유진

  Practice Room Member Min-ji

• 이지호

  Practice Room Member Ji-ho

• 장은정

  Practice Room Member Eun-jeong

• 이종민

  Gopchang Restaurant Man

• 오중훈

  Call Center Guide Staff

• 나원희

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

• 조하민

  New Colleague Eun-hwa

• 강희민

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

• 

  고하은

  Call Center Agent

• 김도연

  Call Center Agent

• 김미리

  Call Center Agent

• 김수연

  Call Center Agent

• 김채원

  Call Center Agent

• 김혜윤

  Call Center Agent

• 박현영

  Call Center Agent

• 박현하

  Call Center Agent

• 백서연

  Call Center Agent

• 손진주

  Call Center Agent

• 양아름

  Call Center Agent

• 양연희

  Call Center Agent

• 윤소희

  Call Center Agent

• 윤예현

  Call Center Agent

• 이세민

  Call Center Agent

• 이수빈

  Call Center Agent

• 이유송

  Call Center Agent

• 이한

  Call Center Agent

• 임진경

  Call Center Agent

• 진민정

  Call Center Agent

• 최하원

  Call Center Agent

• 

  박건주

  Tae-joon's Bullying Colleague

• 권준열

  Tae-joon's Factory Colleague

• 

  차우영

  Tae-joon's Factory Colleague

• 이승영

  Tae-joon's Factory Colleague

• 유용희

  Parking Lot Security Guard

• 

  이윤지

  Female Employee on Her Way to Work

• 민재원

  Security Guard

• 신호연

  Security Guard

• 전정훈

  Security Guard

• 박현국

  Human and Net Staff

• 박성웅

  Forensic Examiner

• 장인태

  Funeral Staff

• 이채영

  Redhead Trainee

• 손유진

  Trainee

• 안소정

  Trainee

• 채슬

  Trainee

• 고은선

  Chaperone Teacher

• 강서후

  Child Going to School

• 권해린

  Child Going to School

• 배서은

  Child Going to School

• 서효원

  Child Going to School

• 서재희

  Child Going to School

• 이은규

  Child Going to School

• 김기현

  Dong-ho's Factory Colleague

• 김재범

  Dong-ho's Factory Colleague

• 김종학

  Dong-ho's Factory Colleague

• 남윤기

  Dong-ho's Factory Colleague

• 서상우

  Dong-ho's Factory Colleague

• 허건행

  Dong-ho's Factory Colleague

• 갈재윤

  Funeral Director

• 김진영

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

• 나예은

  Jun-hee's Fan

• 

  김예나

  Police Station Staff

• 

  추은경

  Police Station Staff

• 김한샘

  Detective Bae's Stand-In

• 문성렬

  Customer Seo Jang-woo (voice)