Prison Playbook

Park Hae-soo

Kim Je-hyeok

Jung Kyung-ho

Lee Jun-ho

Krystal Jung

Ji-ho

Lee Kyoo-hyung

Looney

Choi Mu-sung

Min-cheol

Jeong Min-sung

Dr. Ko

Park Ho-san

KAIST

Kang Seung-yoon

Jean Valjean

Jung Woong-in

Lieutenant Paeng

Jung Hae-in

Captain Yoo

Kim Sung-cheol

Jailbird

Im Hwa-young

Kim Je-hee