Prison Playbook

Park Hae-soo

Kim Je-hyeok

정경호

Lee Jun-ho

정수정

Ji-ho

Lee Kyoo-hyung

Looney

최무성

Min-cheol

정민성

Dr. Ko

Park Ho-san

KAIST

강승윤

Jean Valjean

Jung Woong-in

Lieutenant Paeng

Jung Hae-in

Captain Yoo

Kim Sung-cheol

Jailbird

Lee Do-hyun

Young Lee Jun‑ho

임화영

Kim Je-hee

강기둥

Officer Song

최성원

Mole Boy

Sung Dong-il

Chief Jo

김경남

Lee Joon-dol

Jung Moon-sung

Captain Yoo's Brother