Kang Ha-neul

Kim Yo-han

Lee You-young

Oh Soo-yeon

Heo Sung-tae

Yoon Byung-wook

Kim Sang-ho

Mok Jin-hyung

Kang Young-suk

Jang Seon-oh

Park Seong-geun

Hong Sang-wook

Kang Shin-hyo

Hong Jae-seon

Jeong Man-sik

Yang Hwa

Kim Si-eun

Park Ro-sa

Sung Ji-ru

Heo Sang-soo

Cha Yeob

Kim Gil-sang

Yoon Byung-hee

Kim Woo-sang

Lee Dong-won

[Seongju Prison inmate #1321]

Moon Sung-keun

Do Won Bong [Seongju Prison inmate]

Heo Dong-won

Yang Jun ['Skin Nation' chairman]

Choi Dae-hoon

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

Han Jae-yeong

Jo Hae Do [Bukyeongpa gang]

Oh Tae-kyung

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

Choi Moo-seong

Song Doo Cheol [Bukyeongpa gang]

Han Kyu-won

Eom Ik Soo [Bukyeongpa gang]

Jo Hee-bong

Ryu Tae Hoon [Seongju Prison inmate]

Lee Ha-yul

Kim Woo Jae [Prosecutor]

Kim Min-seung

Woo Min Ho [Sang Ki's son]

Yoo Ha-bok

Kim Jung Gyu [Prosecutor]

Kim Byung-cheol

[Sinseondong elder]

Seo Myung-chan

[Sinseondong elder]

Lee Yang-hee

[Sinseondong elder]

Moon Jong-won

Kim Sung Bum [Seongju Prison staff]

Park Joong-geun

Park [Seongju Prison guard]

Kim Kyu-baek

[Seongju Prison inmate #1369]

Hwang Dae-woong

[Seongju Prison inmate #8934]