Mouse

이승기

Jung Ba-reum

이희준

Go Moo-chi

Park Ju-hyun

Oh Bong-yi

권화운

Sung Yo-han

경수진

Choi Hong-ju

Woo Ji-hyeon

Koo Dong Koo

조재윤

Daniel Lee

김영재

Go Moo-Won

Dave Coulier

Host

Kim Min-kyung

Song Soo-jung's Mother

Kim Jeong-nan

Sung Ji Eun

Hyun Bong-shik

Bok Ho Nam

Chun Jung-Ha

Na Chi-Kook's Mom

Lee Seo-jun

Na Chi Kook

Kim Young-ok

Oh Bong Yi's Grandmother

Kim Kang-hoon

Young Jae-hoon

Yoon Seo-hyun

Kang Ki-Hyeok

피오

Shin Sang

Song Boo-Gun

Song Soo-Ho

김하언

Kim Han-kook

안내상

Park Du Seok

Seon Ah Rin

Jo Mi-Jung

박소이

Young Choi Hong-joo

Jo Yeon-ho

Young Go Moo-won

Joo Ye-rim

Young Oh Bong-yi

안재욱

Han Seo Jun

손우현

Kim Joon Sung

배성일

Detective Interviewing Jae Hoon

Kang Mal-geum

Jung Ba-Reum's Aunt

Song Min-jae

Young Go Mu-chi

Cherish Maningat

Kim Han-Kook's Mother

박은영

Staffing Agency Woman

정은표

Kang Duk Soo

Kwak Min-ho

Prisoner

Park Hye Na

Byun Soon-Young

Park Ki-ryung

OBN News Chief

Byun Yun-jeong

Mrs. Oh

Kim Young-Joo

Sherlock Hong-Ju staff

Shim Yoo-Seung

Sherlock Hong-Ju staff

조완기

Reporter Yang

Lee Eon-jeong

Pregnant Lady

Suh Dong-hyun

Teenage Go Moo-chi

Seo Jeong-yeon

Go Moo-chi's Mother

Jeong Kang-hee

Go Moo-Chi's Dad

Kim Kyeol

Jae Hoon's Father

김동하

Jae Min

Ahn Seo-Yeon

Jae Hee

Seo Woo-jin

Young Jae-hoon

Jang Ui-don

Attorney Hwang

정석용

Woo Jae Pil

박재완

Police Commissioner

Shin Ha-young

Song Soo Jung

Lee Do-Hyung

Jung Ba-Reum's Uncle

정애리

Choi Young-Shin

유하복

Shin Sung-Min

민응식

Shin Jae-Hyung

박용

Kim Ji-Wan

Yoon Bok-sung

Jung Joong Suk

Lee Ja-ryeong

Kim Woo Seon

Kang Moon-kyung

President

Sung Chan-ho

Government Official

Han Chang-hyun

Government Employee

Lee Jae-eun

Koo Dong-Koo's Mom

유용

Sisters Killer

임유란

Witness

Kang Chan-yang

Nurse

Kim Mi-hye

Jae Hoon's Teacher

Song In-seop

Prison Doctor

Kim Ro-sa

Student's Mom

정난희

Teacher

Kang Suk-won

Male Talk Show Guest

Oh Ji-young

Female Talk Show Guest

Jang Jae-kwon

Second Male Talk Show Guest

엄혜수

Police Officer

김주아

Orphanage Employee

채연희

Grocery Store Employee

Kim Borana

Hostess Bar Manager

Kang Ro-chae

Park Hye Won

Kim Hyo-gyeong

Byun Min-Ji

김성경

Fact Check host

Choi Yi-sun

Motorcycle Deliveryman

Yang Ha-yoon

Min-Jung

Oh Min-Joon

Bully