Reparto
Sul Kyung-gu
Yu Jae-pil
Cha Seung-won
Choi Moo-seok
Song Yun-ah
Han Kyoung-soon
Kang Seong-jin
Dragon tattoo
Kang Shin-il
Security guard
Yoo Hai-jin
Zap-sae
Lee Hee-do
Warden
Park Jeong-hak
FM
Jang Tae-seong
Cheol-gu
Kwon Tae-won
Prison guard
Kim Young-woong
Head of the Correctional Affairs
Kim Jae-heum
Head of Work Division
Jeon Soo-hwan
Jailer
Seo Jin-won
Jailer