Insider

Ryu Tae Hoon [Seongju Prison inmate]

Kim Yo-han

Mok Jin-hyung

Heo Sang-soo

Yoon Byung-wook

Yang Hwa

Kim Jung Gyu [Prosecutor]

Do Won Bong [Seongju Prison inmate]

Song Doo Cheol [Bukyeongpa gang]

No Seung Hwan / Nam Dae Moon [Seongju Prison inmate]

Oh Soo-yeon

Kim Gil-sang

Kim Woo-sang

Yang Jun ['Skin Nation' chairman]

Hong Jae-seon

Kim Sung Bum [Seongju Prison staff]

Kim Woo Jae [Prosecutor]

Hong Sang-wook

Park Ro-sa

Eom Ik Soo [Bukyeongpa gang]

Jang Seon-oh

[Sinseondong elder]

[Seongju Prison inmate #1321]

Jin Soo Min [Director / 'Skin Nation' accountant]

Woo Sang Ki [Goldman Casino's accountant / Min Ho's father]

Woo Min Ho [Sang Ki's son]

[Sinseondong elder]

Kwon Dae Il [Police]

Park [Seongju Prison guard]

[Seongju Prison inmate #1369]

[Seongju Prison inmate #8934]

[Seongju Prison inmate #7721]

Jo Hae Do [Bukyeongpa gang]

[Sinseondong elder]

Gu Bon Cheol [Lawyer]

Shim Jae Chul [Seongju Prison warden]

[Corrections administrator]

[Soo Yeon's associate]