Kim Je-hyeok
Lee Jun-ho
Ji-ho
Looney
Min-cheol
Dr. Ko
KAIST
Jean Valjean
Lieutenant Paeng
Captain Yoo
Jailbird
Kim Je-hee
Officer Song
Mole Boy
Chief Jo
Lee Joon-dol
Captain Yoo's Brother
Wood workshop manager Yum
Corporal Joo [Jung Woo's soldier]
Kim Yong Chul [Prison Warden]
"Lifer" [Inmate - Woodwork shop]
Kim Je-hee (Young)
Han Yang's mother
Prison guard Lee Jeong-jae
