Kim So-hee

Kim Si-eun

Oh Yu-jin

Bae Doo-na

Lee Joon-ho

Shim Hee-sub

Jun-hee

Jung Hoe-ryn

Ko Joon-hee

Jeong Hoe-rin

Tae-joon

Kang Hyun-oh

Kang Dong-ho

Park Woo-young

Son Jung-in

Jeong Su-ha

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

Newcomer Team Manager

Hie-jin Choi

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

Vice Principal

Park Soo-young

Head Manager

Yoo Jeong-ho

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

Moon Jung-woong

Call Center Colleague Seon-ae

Kim Hee-won

Call Center Colleague Park Seul-ki

Park Seo-kyoung

Detective Bae

Kim Woo-kyum

Chief of Criminal Division

Song Yo-sep

Chief of Police Station

Na Jong-min

Homeroom Teacher

Heo Jeong-do

Chief of Staff

Kwon Da-ham

School Vice-Commissioner

Hwang Jeong-min

Former Team Manager's Wife

Han Hye-ji

Bar Owner

Eom Ok-ran

Practice Room Member Soo-yeong

Kim Soo-yeong

Practice Room Member Hwa-young

Lee Hwa-young

Practice Room Member Min-ji

Cho Yu-jin

Call Center Agent

Ko Ha-eun

Tae-joon's Bullying Colleague

Park Gun-joo

Tae-joon's Factory Colleague

Cha Woo-young

Female Employee on Her Way to Work

Lee Yoon-ji

Dong-ho's Factory Colleague

Kim Ki-hyun

Police Station Staff

Kim Ye-na

Police Station Staff

Chu Eun-kyeong

Gopchang Restaurant Man

Lee Jong-min