Hwang Jung-min

Seo Do-cheol

Park Jun-myun

Gambling Group

Park Kyung-hye

Gambling Group

Joo Bo-bi

Gambling Group

Kim Won-hae

Former Team Leader

Park Myung-shin

School Principal

Ahn Sang-tae

Dean of Students

Woo Jeong-won

Chi-hoon's Mother

Jo Kwan-woo

Chi-hoon's Father

Kim Min-su

Seo Young-joo

Heo Nam-jun

Kim Jae-hwa

Madam

Hyun Bong-sik

Ddeokchil

Heo Joon-ho

Kang Hang-jo

Jung Hae-in

Park Sun-woo

Oh Dal-su

Oh Jae-pyeong

Oh Dae-hwan

Wang Dong-hyun

Jang Yoon-ju

Bong Yoon-ju

Kim Shi-hoo

Yoon Shi-young