Näitlejad

• Park Hae-soo — Kim Je-Hyeok
• Jung Kyung-ho — Lee Joon-Ho
• Choi Moo-sung — Min-Chul
• Jung Woong-in — Lieutenant Paeng
• Jung Hae-in — "Captain Yoo"
• Lee Kyu-hyung — "Looney"
• Jung Min-Sung — "Dr. Ko"
• Krystal Jung — Ji-Ho
• Lim Hwa-Young — Kim Je-Hee
• Kang Seung-yoon — "Jean Valjean"
• Kim Sung-cheol — "Jailbird"
• Kang Ki-doong — Officer Song
• Park Ho-san — "KAIST"
• Ahn Chang-hwan — "Crony"
• Lee Hoon-Jin — Son Se-Mi
• Ahn Sang-woo — The Warden
• Park Hyoung-soo — Department Chief Na
• Sung Dong-il — Chief Jo
• Choi Young-woo — Officer Lee
• Ju Seok-tae — Yeom Sang-Jae
• Jung Jae-sung — Professor Myung
• Lee Ho-cheol — Gundal
• Choi Sung-won — "Mole Boy"
• Kim Han-jong — Daehyungsoji
• Kim Kyung-nam — Lee Joon-Dol