A Man of Reason

Jung Woo-sung

Su-hyuk

Kim Nam-gil

Woo-jin

Kim Jun-han

Seong-joon

Park You-na

Jin-ah

Ryu Ji-an

In-bi

Park Sung-woong

Eung-guk

Lee Elijah

Min-seo

Park Seong-joon

Ger

Moon Seong-hwan

Masseur

Kim Ju-hun

Jun-ho

Kim Moon-hak

Security Team Leader

Park Yong

Minister Shin

Kim Yoon-jeong

Physician

Lee Eun-kyeong

Jun-ho's Wife

Lee Hyo-bi

Jun-ho's Daughter

Choi Su-im

Ballet Teacher

Kim Joon-hyeon

Convenience Store Employee

Kil Chang-gyu

Old Gentleman

Na Jong-min

Security

Heo Seung

Security

Kim Yoon-do

Security

Lim Joon-hyuk

Security

Lee Han-gyeol

Security

Oh Kyoung-taek

Security

Lee Jae-sung

Security

Song Ji-woo

In-bi's Friend

Shin Yun-ju

In-bi's Friend

Lee Ga-yeon

In-bi's Friend

Lee Se-in

Elementary School Dance Academy

Lee Ha-eun

Elementary School Dance Academy

Kim Seo-bin

Elementary School Dance Academy

Kim Soo-kyeong

Elementary School Dance Academy

Kwon Gyoo-ri

Elementary School Dance Academy

Choi Ra-on

Middle School Dance Academy

Lee Soo-min

Middle School Dance Academy

Kim Ha-na

Middle School Dance Academy

Kwon Eun-seong

Kickboard Kid

Bae Hyang

Gambling House Dancer

Im Seo-ah

Gambling House Woman 1

Seon Woo

Gambling House Woman 2

Kang Shin-Ha

Voice Appearance

Lee Doo-seok

Voice Appearance

Min Sang-woo

Voice Appearance

Park Jin-young

Hospital Staff (voice)

Park Seong-geun

Big Brother