Park Hae-soo

Kim Je-hyuk

Jung Kyung-ho

Lee Joon-ho

Krystal Jung

Kim Ji-ho

Joo-Young Kim

Kim Do-yoon

Yoo Hyeong-kwan

Sim Woo-kyeong

Lee Kyoo-hyung

Yoo Han Yang 'Loony'

Jeong Woong-in

Lieutenant Paeng

Moo-Seong Choi

Jang Gi-soo, Kim Min-cheol

Kang Ki-Doong

Prison Officer Song

Kim Kyung-Nam

Lee Joon Dol

Jung Hae-in

Captain Yoo Jeong-woo

Park Ho-San

KAIST, Kang Cheol-doo

Hwa-Young Im

Kim Je Hee

Kim Sung-cheol

Beobja

Park Hyoung-soo

Chief Na Hyeong-soo

Ahn Sang-Woo

Prison Warden Kim Yong Chul

Jung Moon-sung

Yoo Jeong-min

Ahn Chang-hwan

Crony